Watch S4, EP6: The Irish Pub Formulation with Fubo for $0 Today
Leonard keeps an affair a secret from Sheldon, Howard and Raj.
Leonard keeps an affair a secret from Sheldon, Howard and Raj.
More episodes
The Big Bang Theory
S4, EP7 "The Apology Insufficiency"Sheldon's interview with the FBI jeopardizes Wolowitz's security clearance.
The Big Bang Theory
S4, EP8 "The 21-Second Excitation"While the guys camp out for a long-awaited movie screening, Penny and Bernadette invite Amy to her first slumber party.
The Big Bang Theory
S4, EP9 "The Boyfriend Complexity"Penny asks Leonard to lie to her father (Keith Carradine); Howard, Raj and Bernadette pull an all-nighter at a telescope.
The Big Bang Theory
S12, EP13 "The Confirmation Polarization"Sheldon and Amy are thrilled when their super asymmetry theory is proven by two physicists, until they try to kick Amy off the Nobel nomination; Bernadette has a big success at work.
The Big Bang Theory
S12, EP6 "The Imitation Perturbation"When Wolowitz dresses up as Sheldon for Halloween, Sheldon seeks retaliation at Leonard and Penny's Halloween party; Leonard is shocked when Penny doesn't remember their first kiss.
