Some of the best episodes of Saturday Night Live are when the musical guest gets in on the sketch comedy action. What’s rarer is the sketch comedy coming into the musical guest performance , but that’s exactly what Queens of the Stone Age did with their lone appearance. Back in 2005, the stoner rock band was a musical guest during the show’s 30th season. Their particular episodes pair them with legendary SNL cast member Will Ferrell as the host. In one of the most underrated SNL moments ever, after introducing the band for their performance of “Little Sister”, Ferrell joined them onstage. Videos by VICE This was no ordinary cameo, though. Ferrell appeared as his classic character, Gene, from the iconic Blue Öyster Cult sketch. Relive the cowbell-tastic set below. Years after the performance, Queens of the Stone Age founding frontman Josh Homme dished on exactlt how the collaboration came about.…