Phineas and Ferb: Across the 1st and 2nd Dimensions

Phineas and Ferb: Across the 1st and 2nd Dimensions is the soundtrack for the television film Phineas and Ferb the Movie: Across the 2nd Dimension based on the Disney Channel television series, Phineas and Ferb. The album was released by Walt Disney Records and Hollywood Records on August 4, 2011 and featured eight original songs written for the film and fourteen songs from the second season of the show. Most of them were performed by the cast members. In addition, the album featured Guns N' Roses' lead guitarist Slash performing the track "Kick It Up a Notch" with the cast. Slash further appeared in an animated version of himself in the film, with a music video featuring the animated performance of the song was released on July 20.

The album was further accompanied by, Phineas and Ferb the Movie: Across the 2nd Dimension Song Sampler, a digital soundtrack sampler on the film's digital copy disc that included with the film's home media release on August 23, 2011. It featured twenty-one songs from the film excluding "Kick It Up a Notch". A Walmart edition of the soundtrack featured over ten more songs from the television series.

Commercial performance
Across the 1st and 2nd Dimensions debuted at number 69 on Billboard 200, number three on Billboard 's Soundtracks chart. It further rose up to number 57, the following week before dropping down to 73 as of September 3, 2011. Similarly, by the following week of August 27, the album ranked dropped at the Soundtracks Chart and Kids chart respectively, though it managed to stay for the consequent weeks.