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Sheldon is upset when he realizes Leonard is the center of their group of friends.
Sheldon is upset when he realizes Leonard is the center of their group of friends.
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The Big Bang Theory
S2, EP15 "The Maternal Capacitance"Leonard and Penny are drawn together after a disastrous visit from Leonard's mother (Christine Baranski).
The Big Bang Theory
S2, EP16 "The Cushion Saturation"A paintball game leads to a fight between Sheldon and Penny, and romance for Leslie and Wolowitz.
The Big Bang Theory
S2, EP17 "The Terminator Decoupling"Leonard, Sheldon and Wolowitz are ecstatic to learn that a famous science-fiction actress (Summer Glau) is aboard the train they are taking to San Francisco.
The Big Bang Theory
S2, EP18 "The Work Song Nanocluster"Penny's home business turns into a complete nightmare when Sheldon takes over.
The Big Bang Theory
S5, EP9 "The Ornithophobia Diffusion"Leonard and Penny spend time alone; Sheldon tries to face his fear of birds.
The Big Bang Theory
S5, EP8 "The Isolation Permutation"Amy is devastated when Penny and Bernadette shop for wedding dresses without her.
The Big Bang Theory
S5, EP7 "The Good Guy Fluctuation"An attractive comic book artist tests Leonard and Priya's relationship; Sheldon tries to scare his friends.
The Big Bang Theory
S5, EP6 "The Rhinitis Revelation"Sheldon finds himself competing with the gang for his mother's (Laurie Metcalf) attention when she visits.
