The Big Bang Theory

CBS | 8:00 pm

With Raj (Kunal Nayyar) in need of housing, Leonard and Penny (Johnny Galecki, Kaley Cuoco) mull coming to his rescue — as do Howard and Bernadette (Simon Helberg, Melissa Rauch) — in "The Escape Hatch Identification." Each couple has reservations about making him a tenant, as does Sheldon (Jim Parsons), who ultimately experiences particular strain in his friendship with Raj over the situation. Christine Baranski reprises her guest role.