Option 1: Ben 10: Alien Force – "War of the Worlds: Part 1"
Professor Paradox and Azmuth return to Earth with a dire warning: the Highbreed invasion is imminent. [S2E12] War of the Worlds: Pt. 1
Ben, Gwen, and Kevin realize they can't do this alone. They recruit a "who's who" of allies from past episodes, including the Plumber's Kids and even their former enemy, Darkstar . Option 1: Ben 10: Alien Force – "War
Azmuth drops a bombshell about the Omnitrix —it wasn't just built for combat, but as a "Noah’s Ark" to preserve and restore extinct species. [S2E12] War of the Worlds: Pt. 1