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Sure, Los Angeles is now a post-apocalyptic wasteland, but it's not all bad. In fact, for C-student survivor Josh Wheeler, it's a big improvement.

Josh, Angelica and Wesley take refuge in a pristine mall, match wits with its annoying "owner" and cross paths with a familiar witch.

What makes Angelica tick, tick, tick? The misunderstood child sociopath with a heart of gold breaks it down while searching for antibiotics for Josh.

Josh vows to avenge a death he's been tricked into believing. Principal Burr sheds a little light on one of his more difficult students.

Imagining his legacy as narrated by RZA, Wesley plans a homecoming dance while Eli campaigns for the crown and Angelica tries to set up Josh.

As Turbo and Mona Lisa search for the traitor to their tribe, Josh and KJ venture into the wilds, and Angelica navigates a milestone on her own.

Josh boots Wesley, Eli and Angelica from the mall after learning the truth about Sam. Also, Crumble searches for her truth -- and something to eat.

Before the apocalypse hits, Josh and Sam ditch school for the day. However, their plan for romance and relaxation doesn't work out the way they expect.

As Josh and Eli head back to the high school for very different reasons, Principal Burr lays down the law and seeks help from the smart kids.

Can Principal Burr be defeated? Are Josh and Sam truly meant to be? And what exactly is Crumble, anyway? It's epic conclusion time.