What was the episode title on big bang theory that guest starred sara Gilbert?

Answer 1

As of August 2013, she has appeared on eight episodes of "The Big Bang Theory":

"The Fuzzy Boots Corollary" (2007)

"The Hamburger Postulate" (2007)

"The Bat Jar Conjecture" (2008)

"The Codpiece Topology" (2008)

"The Barbarian Sublimation" (2008)

"The Cooper-Nowitzki Theorem" (2008)

"The Cushion Saturation" (2009)

"The Lunar Excitation" (2010)