Who, exactly, was Leslie Winkle (Sara Gilbert) on The Big Bang Theory, and why did she (and Gilbert) leave after season 3? Let's break it down.

Essentially considered the female version of Leonard Hofstadter, and being his love interest, Leslie Winkle was written off The Big Bang Theory after a short time, begging the question ...

The Big Bang Theory is soon to be getting its official ... Additional guests include Sara Gilbert (Leslie Winkle), Christine Baranski (Dr Beverly Hofstadter), Vernee Watson (Althea Davis), Sara ...