Phineas and Ferb: Across the 2nd Dimension

Phineas and Ferb: Across the 2nd Dimension is the third video game based on the Disney Channel animated series Phineas and Ferb, and also the first one to be released for the Nintendo Wii in addition to the Nintendo DS. As given by the name, the game's plot is based off of the Disney Channel Original Movie Phineas and Ferb the Movie: Across the 2nd Dimension.

Plot
As seen in the movie, stepbrothers Phineas Flynn and Ferb Fletcher accidentally stumble into the hideout of mad scientist Dr. Heinz Doofenshmirtz. Not aware that he is the villainous nemesis of their pet platypus, Perry, Phineas and Ferb help Doofenshmirtz rebuild his "Otherdimensionator" and end up traveling into another dimension where a more evil version of Doofenshmirtz has successfully taken over the Tri-State Area. The game picks up on Phineas, Ferb, their sister Candace, Perry, and Doofenshmirtz escaping through to a series of other dimensions while being pursued by Doofenshmirtz-2's minions, the Normbots.

Trivia

 * In the Wii version, the steamboat in the Old-Timey Dimension is an obvious reference to Steamboat Willie, Mickey Mouse's debut cartoon.