The Big Bang Theory - The Intimacy Acceleration
As a joke, Sheldon and Penny try an experiment designed to make participants fall in love. Also, Leonard, Amy, Raj and Emily spend the evening trying to escape a room with a "zombie." And, after returning from Mrs. Wolowitz' funeral, Bernadette and Howard run into trouble at the airport.
- Season: 8
- Episode: 16
- Runtime: 30
- Aired: February 26th, 2015 at 20:00