"A young astronaut is trying to find life on Mars, but he's made a very big oversight"--

Phineas and Ferb's friend Baljeet is working on an awesome project for the summer-school science fair - he's building a portal to Mars! But when Phineas and Ferb's sister, Candace, accidentally goes through the portal and lands on the barren planet, will her brothers come to the rescue? Or will Candace be lost in space - forever?

Meet Resilience, a Mars rover determined to live up to his name. Res was built to explore Mars. He was not built to have human emotions. But as he learns new things from the NASA scientists who assemble him, he begins to develop human-like feelings. Maybe there's a problem with his programming... Human emotions or not, launch day comes, and Res blasts off to Mars, accompanied by a friendly drone helicopter named Fly. But Res quickly discovers...

In this graphic version of the classic story, Martians abandon their dying planet and invade Earth.