“There is an oral sex scene that’s off the charts.”

John Mulaneyis recalling the hilariously awkward time he watched an erotic film with his girlfriendOlivia Munn’s mom.

“It’s serious.

John Mulaney attends ‘John Mulaney in Conversation with Fred Armisen’ at 92NY; THE HANDMAIDEN, (aka AH-GA-SSI), KIM Min-hee (left), 2016

John Mulaney; ‘The Handmaiden’.Cindy Ord/Getty Images; Amazon Studios /Courtesy Everett Collection

Set in the early 20th century.

It’s about this book collector and this kept woman, and we’re watching the film.

It’s right up our alley: Korea, old-fashioned, perfect.

“I can’t say any more about it.

They’re right against each other, very serious, very physical.

What do you think?'”

It only got more awkward for Mulaney and Miss Kim as the film continued.

“It’s so much that youhaveto look at each other.

What do you think?'”

“It’s a good relationship,” Colbert said through laughter.

Mulaney confirmed, “It’s a good relationship.”

Watch Mulaney discussThe Handmaidenin the clip above.