For the second year in a row, Charlie Sheen will join the ranks of Drew Carey’s Improv-A-Ganza, which airs on GSN. Sheen’s first appearance as part of the act was a surprise to everyone but Sheen -- even the comedians were startled.

We’re pretty sure that he got a specific invite this year. The show will begin airing on GSN on April 11 at 8pm and 11pm EST, but you won’t see Charlie Sheen until the April 12 episode.

Sheen joined the comedians live on the stage at the MGM Grand Hotel and Casino in Las Vegas during the 40-episode taping. He’s such rich comedy fodder, the actor became an inspiration for some of the skits that followed. One sketch will help distinguish the men from the trolls.

Drew Carey’s Improv-A-Ganza features the Price is Right host in addition to Ryan Stiles, Greg Proops, Colin Mochrie, Jeff Davis, Heather Anne Campbell, Chip Esten, Jonathan Mangum, Kathy Kinney, Sean Masterson, Brad Sherwood and special guest Wayne Brady.