Episode Titles: Sibling
You are viewing a list of 1 The Big Bang Theory episode featuring "Sibling" in their title.
The Sibling Realignment
Season 11, Episode 23 - Aired May 3, 2018
When Sheldon's mother threatens to boycott his wedding unless he invites his older brother, Georgie, he and Leonard head to Texas to patch things up.
Meanwhile, the Wolowitz kids come down with a case of pinkeye which quickly spreads to their parents. Penny tries to keep Amy away from the contagion with just a week to go until her wedding.