The Evolution of Sheldon Cooper10 of 18
When Sheldon and Penny participated in an unusual experiment designed to see if it can make two people fall in love. They asked each other a series of questions and answered them truthfully, finishing with silently looking into each other's eyes for four minutes. Naturally they did not fall in love, but it did make their friendship stronger and they reflected on what they mean to each other.
Episode 8.16: The Intimacy Acceleration (2015)
Episode 8.16: The Intimacy Acceleration (2015)