The Big Bang Theory Season 9 Episode 16
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.
Serie: The Big Bang Theory
Episode Title: The Positive Negative Reaction
Air Date: 2016-02-18