[s4e20] The Herb Garden Germination Access

: Refers to the mundane "control" rumor Sheldon and Amy used for their social experiment.

: As expected, the "juicy" rumor spreads like wildfire through the group, while the herb garden news is completely ignored. [S4E20] The Herb Garden Germination

: The episode concludes with Amy starting an even more extreme rumor—telling Penny she is pregnant with Sheldon's baby—to see how quickly Leonard finds out. Original Air Date April 7, 2011 Director Mark Cendrowski Major Milestone Howard and Bernadette get engaged : Refers to the mundane "control" rumor Sheldon