E1. The Proposal Proposal: What did she say? Amy (MAYIM BIALIK) answers Sheldon's marriage proposal in the eleventh season premiere. Meanwhile, Howard & Bernadette struggle with some unexpected news.
E2. The Retraction Reaction: Leonard's job is at stake when he gives an embarrassing radio interview which angers the university and the entire physics community. NPR Host IRA FLATOW returns as himself.