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Sheldon goes to Texas for his sister, since she is having a baby. While Sheldon is gone, the gang imagines their lives without Sheldon in it.
|Jim Parsons||Sheldon Cooper|
|Johnny Galecki||Leonard Hofstadter|
|Simon Helberg||Howard Wolowitz|
|Kunal Nayyar||Rajesh Koothrapalli|
|Mayim Bialik||Amy Farrah Fowler|
|Melissa Rauch||Bernadette Rostenkowski-Wolowitz|
|Brian Smith||Zack Johnson|
|Kevin Sussman||Stuart Bloom|
|Laurie Metcalf (voice only)||Mary Cooper|
|Courtney Henggeler (presumed; scream only)||Missy Cooper|
|Carol Ann Susi (voice only)||Mrs. Wolowitz|
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