The Challenge: All Stars season 4

The fourth season of The Challenge: All Stars premiered on Paramount+ on April 10, 2024. The season features twenty-five cast members from The Real World, Road Rules, The Challenge, and Are You the One? competing for $300,000.

Format
The fourth season of The Challenge: All Stars features a daily challenge, a nomination process and an elimination round.
 * Daily Challenge: Players compete in a challenge individually or in teams. The winners are immune from elimination while a certain number of last-place players or teams form the "losing group" and become at risk of being voted into the elimination round.
 * Nomination process: Players who did not win or place last in the daily challenge (collectively the "middle group") vote between players of the designated gender from the losing group to complete in the elimination round. The two players who receive the most votes are nominated.
 * Eliminations (The Arena): At the Arena, the daily challenge winners are given the choice to volunteer for the elimination to try and win/steal a Star. If a winner volunteers, they must choose one of the two nominated players to replace for the elimination. If the winners decline, the two nominated players compete in the elimination round. The winner of the elimination remains in the game while the loser is eliminated.


 * Twists
 * Stars: To be eligible to compete in the Final Challenge, players must possess a Star, with only three Stars originally available for each gender. The Stars were initially awarded to the top three players of each gender from the first challenge. The winners of elimination rounds can steal a Star for themself if they do not already possess one. If elimination winners already possess a Star, they must steal a Star and award it to another player of the same gender they stole from. The winners of daily challenges are immune from having their Star stolen.
 * Purge: Before the Final Challenge, two additional Stars were introduced into the game in episode 11. Players who did not possess a Star at the time compete in the "Star Born" challenge where the winning male and female player earned the final Stars and joined the other six Star holders in the Final Challenge, while all losing players were eliminated.
 * Double Elimination: Episodes 3 and 6 featured a double elimination where one male and one female player were eliminated.

Challenge games

 * Reach for the Stars: Each player has eight boxes with varying star-shaped pegs on them. They must collect star-shaped puzzle pieces from the bottom of a hill, one at a time, and fit them onto the corresponding pegs. The first male and female player to fit all eight puzzle pieces and raise their flag at the top of the hill wins, with the top three players of each genders receiving Stars. The last four players of each gender to finish form the losing group.
 * Winners: Brad & Cara Maria
 * Car Sick: Played in five teams of four and one team of three. One team at a time begins inside a van suspended above ground, which spins as it descends. Teams must listen to the van's radio for ads mentioning certain numbers and locations. Once the van reaches the ground, teams must find suitcases on the van marked with the locations mentioned and use the corresponding numbers to solve math equations to reveal the codes to unlock the suitcases. Once teams unlock all their suitcases, they must use the puzzle pieces inside to solve a puzzle. The team with the fastest time wins while the two teams with the slowest times form the losing group.
 * Winners: Jay, Laurel, Nicole & Tony
 * Domino Motherf*****!: Played in male-female teams of two. Teams must line up ten large domino pieces from their rack (which includes decoy pieces) to or from a starting domino at the middle of a field such that each the connecting ends of each domino have the same number of stars. The first team to finish wins while the last five teams to finish form the losing group.
 * Winners: Adam & Averey
 * Unbraided: Reloaded: Played in four teams of five, with two teams competing at a time. Teams begin suspended off the side of a speeding truck, with each team member hanging from one of five ropes that form a braid. Teams must unravel the ropes then work together to maneuver a peg through a maze on the side of the truck. The team with the fastest time wins while the two teams with the slowest times form the losing group.
 * Winners: Derek, Kam, Laurel, Ryan & Steve
 * Bobblehead Bobsled: Played in three teams of five and one team of four, with one team competing at a time. At the start of the challenge, host T.J. Lavin rides down a bobsled track and opens a valve connected to a cylinder so that the water inside slowly drains. While wearing "bobbleheads", teams must run uphill to the bobsled track, ride down and shut the valve to retain as much water as possible and stop their time. Hanging along the track are also bags of water which teams can collect to replenish their cylinder. The team with the most water in their cylinder relative to their overall time wins, while the two teams with the least water relative to their time form the losing group.
 * Winners: Derek, Kam, Kefla, Steve & Tina
 * Take a Seat: Played in male/female pairs, the challenge contains two phases. In Phase One, played across five rounds, host T.J. Lavin announces a series of seat numbers within the Athlone Stadium, and teams race to sit themselves in those seats. As there is one less seat available than players remaining for each round, the team that is unable to seat both players are eliminated from the phase. The last four teams standing receive a 30-second advantage in Phase Two. In Phase Two, teams must search the stands for a token, exchange the token for a bag of hooks, then use the hooks to connect weighted blocks into two sections of equal weight. The first team to finish wins while the last five teams form the losing group.
 * Winners: Ace & Nicole
 * Face the Facts: Played in male/female pairs, with four teams competing at a time. Each round, teams begin on a platform above water and are asked trivia questions one at a time. Each time a team answers incorrectly, a ball is added to their team cylinder, and teams are pulled into the water and eliminated from the challenge once they incur three balls. The last two teams standing in each round advance to the winner's round where this process is repeated to determine the winners of the challenge. The first two teams eliminated in each round form the losing group.
 * Winners: Leroy & Veronica
 * Balls Up: In the first round, played in two heats, players enter a mudpit below a net containing five colored balls for each player. They must use a plunger to push their opponent's balls out of the net while their opponents try to do the same. Players are eliminated from the challenge once all their balls are out of the net, although they can continue to pushing out other player's balls. The first two male and female players eliminated from each heat form the losing group, while the remaining players advance to the single-heat final round. In the final round, players repeat this process, where the last male and female player standing wins.
 * Winners: Ace & Averey
 * Run the Plank: Played in male/female pairs across two heats. Team members alternate turns making their way up a plank, jumping off the end and attempting to pull down a hanging ball as they fall into the water. Each time teams pull the ball down, their team's maze lowers slightly, and teams continue this process until their maze fully descends to the water below. Once complete, teams must then maneuver two stars out of the maze and place them at a board onshore. The team with the fastest time wins while the four teams with the slowest times, including teams that are disqualified if a team member refuses to jump, form the losing group.
 * Winners: Derek & Laurel
 * Roll With It: Each player begins in a shopping cart at one end of a track and must cross the track to collect a star at the other end. Players can cross by lassoing a series of poles to pull themselves along, or by pushing themselves off the poles directly. The first male and female player to collect a star wins while the last three male and female players form the losing group.
 * Winners: Jay & Laurel
 * Star Born: In a special challenge, players who currently do not possess a Star compete to earn one of the two newly introduced Stars. Players race to untie a hanging raft from a tree before paddling the raft to a platform in the water. At the platform, they must dive underneath to untie a key before using the key to unlock a trough of mud onshore and search the trough for a Star. The first male and female player to find a Star wins and claim the final two spots in the Final Challenge while the remaining players are eliminated.
 * Winners: Derek & Laurel
 * Eliminated: Adam, Averey & Ryan

Arena games

 * Catch a Falling Star: Players must search a pit filled with hundreds of balls for 12 with stars on them, and deposit them in their tube one at a time. The first player to finish wins.
 * Played by: Steve vs. Tyri
 * Down the Tube: Players begin in opposite sides of a tube with a large ball in between them, and attempt to push their ball out their opponent's side of the tube while their opponent tries to do the same. The first player to push the ball out their opponent's side of the tube twice wins.
 * Played by: Ayanna vs. Rachel, Kefla vs. Syrus
 * Star Slice: Players take turns aiming throwing stars at a wall of targets, attempting to hit targets of their opponent's face three times. If a player hits a target of their own face, it is counted as a hit for their opponent. On the wall are also targets which apply advantages or disadvantages if they are hit. The first player to hit their required targets three times wins.
 * Played by: Cara Maria vs. Rachel
 * Mission Improbable: Players begin suspended above the Arena with their arms and legs connected to a maze. They must maneuver five balls into holes at the center of the maze. The first player to land all five balls wins.
 * Played by: Brandon vs. Leroy
 * Rope Rumble: In the middle of the Arena is a long and heavy rope which players must fully push, pull or move onto their opponent's half of the Arena while their opponent tries to do the same. The first player to achieve this wins.
 * Played by: Jasmine vs. Nicole, Kefla vs. Steve
 * Cheat Codes: Each player has a giant "video game controller" and a screen on the opposite side of the Arena. Players must press a button on the screen to reveal a "cheat code" which they must replicate by pressing buttons of their controller using their feet. The first player to correctly replicate the code wins.
 * Played by: Adam vs. Brad
 * Ladies and the Tramp: Players must bounce on a trampoline to view and memorize an answer key behind a tall wall, and recreate the key using tiles at their board. The first player to correctly replicate the key wins.
 * Played by: Kam vs. Tina
 * Caged In: Players enter a mudpit underneath a mesh cage containing ten balls. They must use their fingers to push all ten balls out a hole end of the cage and place the balls in their basket at the end of the pit. The first player to finish wins.
 * Played by: Cara Maria vs. Kam
 * Shish Kestack: Players must enter a water tank, collect colored puzzle pieces from the bottom one at a time, and stack them on their respective poles outside the tank from the lightest to darkest shades. The first player to complete all three stacks wins.
 * Played by: Jay vs. Steve

Day one
The eight Star holders compete in the Final Challenge. For day one, players compete in an alternating series of "Advantage" and "Elimination" checkpoints. At Advantage checkpoints, the winning player/team earns an advantage for the subsequent Elimination checkpoint; the last-place player(s) at each Elimination checkpoint is eliminated, with this process continuing until only four players remain by the end of the day. Additionally, players eliminated during day one are also given the ability to give their Star to a remaining player, which awards that player an advantage during day two.


 * Checkpoints
 * Shooting Star (Advantage): Players begin strapped to the roof of a racecar, equipped with a paintball gun and 100 paintballs. As the racecar speeds around a complex, players must use the paintball gun to hit a series of targets. Each target hit is worth one point, except for one hidden target worth two points. The player with the most points wins.
 * Winner: Leroy
 * Electric Star (Elimination): Players must maneuver a ring through a wire loop game, and are shocked each time their ring touches the wire. The winning player from the last checkpoint is allowed skip the starting quarter of the loop. The player with the slowest time is eliminated from the Final Challenge.
 * Eliminated: Derek (eighth place)
 * Spicy Foot (Advantage): Players must eat ten peppers off a hanging string connected to a pulley system, which they can lower by raising their foot. The first player to consume all ten peppers wins.
 * Winner: Nicole
 * Balance for Survival (Elimination): Players must place cups of liquid into a holder connected to ropes, then use ropes to maneuver the holder to their mouth so that they can suck and spit the liquid into a tube. Players continue this process until they collect enough liquid to reach a line marked on the tube. The winning player from the previous checkpoint has the line on their tube lowered. The last player to finish is eliminated from the Final Challenge.
 * Eliminated: Leroy (seventh place)
 * Hoseball (Advantage): Played in self-selected teams of two. Teams must spray a firehose at a ball so that it rolls into their team's goal at one end of a triangle while both their opponents try to do the same. The first team to score two goals wins.
 * Winners: Ace & Cara Maria
 * Bluff Night (Elimination) and Overnight Stage: One at a time, players select a challenge in one of three rooms and attempt to complete that challenge as fast as possible. The winning team from the last checkpoint is given the power to select one team member to go first. This player then selects the next player to compete, with this selection process repeating until everyone has competed. Additionally, only two players can complete each room's challenge, determined on a first-come first-served basis. The two players with the slowest times are eliminated from the Final Challenge. Afterwards, players must spend the night on a hanging cargo net.
 * Room #1 (Nailed It): Players must hammer three long nails into a log.
 * Room #2 (Marble Blast): Players must roll a ball through a hole at the end of a ramp, and must collect the ball and restart after every miss.
 * Room #3 (Firearm): While wearing a glove set on fire, players must use the glove to ignite four targets before throwing kerosene-soaked balls at the targets until four balls are ignited.
 * Eliminated: Nicole, Veronica (fifth place)

Day two
Final Leg: Players must ride a scooter to a "Star Loop" containing five checkpoints. Players must complete five laps of the Star Loop which requires them to complete one checkpoint on the first lap, two checkpoints on the second lap, and so on, culminating with all five checkpoints on the fifth lap. For each Star a player currently possesses, they can use each one to skip a checkpoint, but can only use one Star per lap. After completing all five laps, players must then run to collect one of three "Star Handles" before proceeding to the finish line, with the fourth player left without a Star Handle eliminated from the Final Challenge. The first player to cross the finish line is declared the winner of All Stars 4 and wins $250,000, with second and third place earning $25,000 each.
 * Checkpoints
 * Drink It: Players can either eat a cockroach or take a shot of fermented liquid.
 * Connect It: Players must complete a pipe puzzle requiring them to use puzzle pieces to form a path between two ends of a pipe.
 * Rock It: Players must find ten stones in a tub of mealworms then stack the stones and have them stand for ten seconds.
 * Build It: Players must assemble a vertical puzzle.
 * Swing It: While harnessed, players must swing themselves to place two rings around a hook mounted to a tall wall.


 * Final results
 * Winner: Laurel ($250,000)
 * Runner-up: Cara Maria ($25,000)
 * Third place: Steve ($25,000)
 * Fourth place: Ace (eliminated)

Episode progress

 * Competition key
 * The contestant won the Final Challenge.
 * The contestant did not win the Final Challenge.
 * The contestant was eliminated during the Final Challenge.
 * The contestant won the daily challenge and was immune from having their Star stolen.
 * The contestant earned a Star in the daily challenge.
 * The contestant was safe from the Arena.
 * The contestant came in last-place in the daily challenge, but was not nominated for the Arena.
 * The contestant came in last-place in the daily challenge, but was not eligible to be nominated for the Arena.
 * The contestant was nominated for the Arena and won, and earned the right to steal a Star.
 * The contestant was nominated for the Arena, but did not have to compete.
 * The contestant won the daily challenge, volunteered for the Arena, won and earned the right to steal a star
 * The contestant lost in the Arena and was eliminated.
 * The contestant withdrew from the competition.
 * The contestant won the daily challenge, volunteered for the Arena, lost and was eliminated.
 * The contestant placed last in the challenge and was eliminated.

Star progress
Star holder at the start of each episode.

Team selections
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