Episode Titles: Negative
You are viewing a list of 1 The Big Bang Theory episode featuring "Negative" in their title.
Season 9, Episode 16 - The Positive Negative Reaction
Aired February 18, 2016
When the gang finds out about Bernadette's pregnancy, they celebrate by singing karaoke. Also, Bernadette is concerned when Wolowitz freaks out over her pregnancy announcement, and Wolowitz is convinced he must make more money to provide for the baby.