David Duchovny impersonates Jeff Goldblum during Celebrity Jeopardy. Goldblum appeared in Jurassic Park (1993), while Duchovny's ex, Téa Leoni, appeared in Jurassic Park III (2001). Goldblum's Jurassic Part cast mate and ex-girlfriend, Laura Dern, appeared in Duchovny on Twin Peaks (1990).
In the goodnights, Will Ferrell can be seen with sunglasses and a mustache as Ron, who he would stay in character as to remind the cast and crew to have fun and to relieve the pressure of making the show.