After the great episode,The Creepy Candy Coating Corollary (Season 3, Episode 5)with Wil Wheaton v's Sheldon comes the news:
Wil Wheaton is to return as Sheldon's nemesis in an upcoming episode of The Big Bang Theory. The Star Trek: Next Generation actor guest starred earlier this season in an episode that saw a ratings spike and generated a lot of on-line interest.
Bill Prady, co-creator of The Big Bang Theory, expressed his desire for Wheaton to return during an interview with TV Guide Magazine. Wheaton explains on his blog that he had known the appearance was possible for about a week, but found out it was official earlier today. The episode will be taped March 2nd.
the-big-bang-theory.com
Yeah!

Die Wil Wheaton, Die!
from The Creepy Candy Coating Corollary