I n the "The Big Bang Theory" episode "The Celebration Experimentation" (February 25, 2016), Sheldon (Jim Parsons) is about ...

It ended not with a bang but with a whimper. Sara Gilbert, who played Dr. Leslie Winkle on “The Big Bang Theory,” still has questions about her character’s ending. During an appearance on ...

In total, the character popped up in seasons 1, 2, 3, and 9. Her final appearance in the series is a cameo during Sheldon's birthday party in the milestone 200th episode titled "The Celebration ...