Garden Germination | [s4e20] The Herb

: Unaware of the breakup rumors, Howard plans to propose to Bernadette. While the rest of the gang expects a public rejection based on the gossip, Bernadette surprises everyone by accepting his proposal.

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

In the The Big Bang Theory episode (Season 4, Episode 20), the plot centers on a social experiment conducted by Sheldon and Amy to test the speed and "virulence" of gossip within their friend group. Plot Summary : Unaware of the breakup rumors, Howard plans