"The Devil's Threesome" is the tenth episode of the Showtime original series Californication

Californication (TV series)

Californication is an American comedy-drama that premiered on Showtime on August 13, 2007. The show was created by Tom Kapinos. The protagonist, Hank Moody , is a troubled novelist whose move to California, coupled with his writer's block, complicates his relationships with his longtime girlfriend...

. It was written by Tom Kapinos

Tom Kapinos

Tom Kapinos is a Greek-American television executive producer and screenwriter best known for his creation of the television series Californication....

, directed by John Dahl

John Dahl

John Dahl is an American film director and screenwriter, best known for his work in the neo-noir genre.-Life and career:John Dahl was born in Billings, Montana, the second of four children . Dahl spent his young life in and around Montana all the way up through his college years...

 and originally aired on Monday October 15, 2007.

Plot

Newly minted roommates Hank and Charlie meet a girl at the gym who knows Hank from a past incident and when Hank can’t quite remember her, she beats him up in the ring. Each reeling from relationship woes, Karen and Marcy decide to have a girl’s night out. Back at UTK, Dani meets with Mia regarding a novel she has written. Karen and Marcy decide to pay Hank and Charlie a surprise visit, but get more than they bargained for when they walk in on them and the girl from the boxing gym.

Cultural references

• When Hank and Charlie are at a bar drinking, Charlie calls themselves Raoul Duke and Dr. Gonzo, from Fear and Loathing in Las Vegas.
• When Hank tries to leave his ex and Charlie alone he says "Good Night and Good Luck," a reference to the catchphrase by journalist Edward R. Murrow while trying to take down Senator Joe McCarthy and the subsequent movie "Good Night and Good Luck".
• When Hank decides to leave Charlie and the ex that he can't remember alone on the sofa, he says "Carry on my wayward sons", which is a reference to a song by Kansas
  Kansas (band)
  Kansas is an American rock band that became popular in the 1970s initially on Album-Oriented Rock charts, and later with hit singles such as "Carry On Wayward Son" and "Dust in the Wind"...
  
   named "Carry on Wayward Son
  Carry On Wayward Son
  "Carry on Wayward Son" is a progressive rock single recorded by Kansas and written by Kerry Livgren for their 1976 album Leftoverture. In 1977, the song peaked at No. 11 on the Billboard pop singles chart, becoming their first Top 40 hit....
  
  ".