The Big Bang Theory(TBBT)- Sheldon is in Texas to help with Missy's Home birth.

Sheldon is in Texas to help with his sister's home birth, but is as usual totally self-absorbed and unsympathetic to his sister's discomfort, and no help at all. Between video calls, his friends wonder how their lives would be had they never met him (as in It's a Wonderful Life). Penny notes Leonard would have been too afraid to date her, Bernadette thinks she would not be with Howard because of his strange friendship with Raj, and Leonard speculates Penny would be living with Zack, who would trade money for useless items such as beans. Amy suggests that if Leonard had not moved in, Penny would have tried to seduce Sheldon in Leonard's absence, while Howard notes he would be caring for his mother even after her death (as in Psycho), and Raj and Leonard suggest they would be obese flatmates owing to Raj's cooking and Leonard's loneliness. Amy thinks she would be sad and alone. After Amy encourages Sheldon to be with his newborn nephew, Raj observes that Amy has significantly influenced Sheldon, and Leonard shows her her picture on Sheldon's screensaver, among the other scientists Sheldon admires the most. On returning home, Sheldon tells Amy he would have preferred her to have been in Texas with him (or instead of him). In a final Cheesecake Factory scene with Howard and the obese Raj and Leonard, Leonard asks Penny out; she turns him down to reveal she is dating an extremely cool Stuart. The scene changes to reveal this as Stuart's fantasy whilst sitting alone in the restaurant.

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