After a fight with Scudworth, Mr. B prepares to leave Clone High for good — but not before telling Joan his epic backstory.

After the clones find themselves stranded in the desert, JFK experiences a heat-induced intellectual breakthrough, Abe faces a zombie horde, and Scudworth and Mr. B hit the big-time in Vegas.

After noticing Scudworth’s stranger-than-usual behavior, the clones uncover a tale of rival theme parks, romance, and revenge… all within the pages of his diary.

When a rumor derails Cleo’s bid for homecoming queen, Joan is forced to reconsider their lifelong rivalry for the sake of the school…and the world.

Tensions mount on a ski trip to Avalanche Mountain, threatening love triangles, bromances… and Mr. B’s sanity.

Scudworth takes Frida under his wing, causing the would-be artist to consider a more lucrative career… in competitive snorkeling.