1977–78 Philadelphia Flyers season

The 1977–78 Philadelphia Flyers season was the Philadelphia Flyers' 11th season in the National Hockey League (NHL).

Regular season
The Flyers lost their hold on the Patrick Division in 1977–78 and settled for second place.

Tom Bladon's 8 points (4 goals and 4 assists) in a game against the Cleveland Barons on December 11 set an NHL record for a defenseman.

Playoffs
After sweeping the Colorado Rockies in 2 games in the preliminary round, the Flyers moved on and beat Buffalo in five games. They faced Boston in the semifinals for the second consecutive season, and lost again, this time in five games.

Regular season

 * Legend:
 * Legend:

Playoffs

 * Legend:
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Scoring

 * Position abbreviations: C = Center; D = Defense; G = Goaltender; LW = Left wing; RW = Right wing
 * † = Joined team via a transaction (e.g., trade, waivers, signing) during the season. Stats reflect time with the Flyers only.
 * ‡ = Left team via a transaction (e.g., trade, waivers, release) during the season. Stats reflect time with the Flyers only.

Records
On December 11, 1977, defenseman Tom Bladon had a record-breaking game against the Cleveland Barons. He scored four goals, tying a team record, and picked up four assists for a total of eight points, a team record and tied for the NHL record among defenseman. His plus/minus of +10 in the game is an NHL single game record. Goaltender Bernie Parent won a team record ten consecutive games from November 20 to December 28. On April 1, Bill Barber tied a team record by scoring two shorthanded goals in a single game.

During the playoffs, Mel Bridgman scored the fastest playoff overtime goal in team history (23 seconds) to end game one of the team's preliminary round series against the Colorado Rockies. The three goals they allowed to Colorado in two games is the fewest goals the Flyers have allowed in any playoff series. On May 11, Orest Kindrachuk scored the two fastest goals by a single player in team playoff history, scoring eleven seconds apart.

Transactions
The Flyers were involved in the following transactions from May 15, 1977, the day after the deciding game of the 1977 Stanley Cup Finals, through May 25, 1978, the day of the deciding game of the 1978 Stanley Cup Finals.

Draft picks
Philadelphia's picks at the 1977 NHL amateur draft, which was held at the NHL's office in Montreal, on June 14, 1977.

Farm teams
The Flyers were affiliated with the Maine Mariners of the AHL and the Philadelphia Firebirds of the NAHL.