Animorphs

Jake is depressed after a bad day and wishes he'd never met Elfangor so an Ellimist grants his wish because he did well in the fight against the Yeerks. Now Jake, Rachel, Cassie, and Marco are totally un-aware of the invasion, and living a normal life once again. But there's a hitch -- turns out Tobias still met Elfangor. The world is suddenly turned upside down, and we don't know whom to trust. It turns out all the Animorphs are now normal kids but now they are infested by Yeerks except for Tobias. Tobias wants more kids to be on his team so there is way to beat the Yeerks. Morphing a Lizard, Tobias learns that Jake is a Yeerk, and he only could trust Rachel. No one believed Tobias' story about parasitic alien slugs invading Earth. At the Spider Party, Marco acted weird, and Cassie found a slug in the bathroom. Tobias asks Rachel to meet him at the Spider Club (which is closed) so the could find where the Yeerk pool was, but it turns out Rachel was a Yeerk too, when Tobias morphed