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Sheldon tries to make peace when Leonard and Penny get into an argument.
Sheldon tries to make peace when Leonard and Penny get into an argument.
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More episodes
The Big Bang Theory
S3, EP8 "The Adhesive Duck Deficiency"Penny is forced to rely on Sheldon when she is injured while Howard, Leonard and Raj are away.
The Big Bang Theory
S3, EP9 "The Vengeance Formulation"After being humiliated on the radio, Sheldon vows to destroy Kripke; Wolowitz tries not to ruin his new relationship with Bernadette.
The Big Bang Theory
S1, EP12 "The Jerusalem Duality"Sheldon and Leonard look for a way to derail a 15-year-old physics prodigy's research.
The Big Bang Theory
S1, EP13 "The Bat Jar Conjecture"When Sheldon tries to prove his mental superiority as they train for the Physics Bowl, the guys kick him off the team and bring his nemesis (Sara Gilbert) aboard.
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.
