Guest Star: Sierra Edwards
You are viewing a list of Sierra Edwards's 1 appearance on The Big Bang Theory.
Season 1, Episode 4 - The Luminous Fish Effect
Aired October 15, 2007
When Sheldon is fired, his life descends into a series of bizarre obsessions, including "fixing" eggs and weaving ponchos. A concerned Leonard decides there's only one person who can bring Sheldon back from the brink: his mother.
Appeared as Summer