Chuck Lorre

Leonard attempts to conduct a therapy session for Sheldon, but the roles quickly reverse as Leonard ends up venting about his own childhood trauma.

Act III, Scene 18. After accidentally becoming intoxicated, a socially awkward physicist delivers a disastrously eccentric acceptance speech at a prestigious university awards ceremony. He attempts to win over the audience with niche scientific puns and a performance of 'The Elements' song, unaware of his own inappropriate behavior.

Sheldon attempts to enforce the Roommate Agreement's cohabitation clauses after Leonard's girlfriend begins staying over too frequently.

Sheldon experiences a moral and intellectual crisis at a high-IQ sperm bank while Leonard loses patience with his roommate's neuroses.