For its second-ever Christmas episode, "The Big Bang Theory" brought back Christine Baranski as Leonard's judgmental academic mother, and produced a classic even if Christmas itself is barely ...

The Big Bang Theory may turn out to be one of the last blockbuster sitcoms of its kind, and it left behind one of the most ...

The Big Bang Theory had plenty examples of this. One example of the latter is Dr. Stephanie Barnett, who pops up in Season 2 for three episodes as a love interest of Leonard. During these three ...

The Big Bang Theory very nearly included a joke once that could've paved the way for a permanent change in Sheldon and Leonard's relationship.