In addition to Trumeter, the lineup includes Sam Brown, Zach Cregger, Trevor Moore and the cherub-faced Timmy Williams.
Between sketches, the audience was treated to clips from WKUK's new season.
Sitcoms are fine for a Tuesday when you feel like eating some meatloaf and going to bed early.
Comedy itself is a pretty dangerous business: To do it effectively, you have to crawl out on a limb, either by making yourself very vulnerable or taking incredible risks, or both.
The show opened with two group members playing Paul and Dennis, blind comics, who fall off the stage within five minutes.
There's also a kind of "Dating Game" skit where Darren Trumeter plays contestant "Barbara" quizzing three potential dates with the usual banal game-show questions, only to have the three guys describe their intentions in excessively graphic terms.
But the most significant risk that WKUK takes is performing sketches without allowing everything to become juvenile.
As hard as it may be to believe, WKUK wallows frequently in potty-mouth humor and somehow makes it seem almost sophisticated.