When Dean Pelton loses himself — and a chunk of the college budget — in a virtual reality system, Jeff seeks help from its cantankerous inventor.

Dean Pelton's sexuality gives him an uncomfortable edge for a school board seat. Chang scores a surprise win in a stage adaptation of "The Karate Kid."

When prisoners roll into Greendale via telerobot, Jeff meets his match in a clever convict. Britta's plans for a raging house party backfire.

Visiting Professor DeSalvo gives Jeff and his friends a master class in grifting and a bonus lesson on the art of revenge.

Heroes are born, promises are broken and the stakes are raised when paintball makes an explosive return to Greendale's campus.

When two Greendale students get married, the wedding reception takes a turn after Jeff unwittingly exposes an inconvenient truth.