Ben 10 and Phineas and Ferb: Across the Second Dimension

Ben 10/Phineas and Ferb movie.

Story
Ben, Gwen, Kevin, Phineas, Ferb, and Perry follow Doofenshmirtz through his Other-Dimension-Inator and wind up in an alternate universe ruled by a truly evil Dr. Doofenshmirtz. Perry reveals his idenity as a secret agent, and the gang meets they're alternate versions.

Characters

 * Ben Tennyson
 * Gwen Tennyson
 * Kevin Levin
 * Phineas Flynn
 * Ferb Fletcher
 * Perry the Platypus
 * Candace Flynn
 * Alternate Phineas
 * Alternate Ferb
 * Alternate Gwen
 * The Resistance
 * Alternate﻿ Candace
 * Alternate Isabella
 * Alternate Buford
 * Alternate Baljeet
 * Alternate Ben
 * Alternate Kevin
 * Alternate Vilgax

Villains

 * Dr. Doofenshmirtz
 * Alternate Doofenshmirtz
 * Platyborg
 * Vilgax
 * Sevenseven
 * Kraab

Aliens Used

 * By Ben:
 * Brainstorm
 * Goop
 * Stinkfly (selected alien was Jetray)
 * Echo Echo
 * Ultimate Echo Echo
 * By Alternate Ben:
 * Alternate Humongousaur (x2)
 * Alternate Swampfire
 * Alternate Big Chill
 * Alternate Ultimate Big Chill

Trivia

 * This is Adam's second crossover movie, the first being Ben 10 and Pokemon: The Code of Shadow Lugia, however it is the first based off another movie.