Dane Cook: Vicious Circle (2006 TV Special)
At the very end, Cook sings the theme song, imitates going down a pipe and mentions "collecting coins in my basement."
The black ghosts are mentioned
Referenced many times in "Post-Battle Sex."
Dane says that when he wants his wife's vagina to be like Stargate, and just have his kids materialize out.
Knocked into the Pit of Death for his dull comedic routine, seen in the ending credits