Eric Dane, who may now be known as “McBoring” on “Grey’s Anatomy,” and his wife, Rebecca Gayheart, can be seen in a hilarious threesome sex tape (it’s floating around online) with former Miss Teen USA Kari Ann Peniche.

The couple’s rep, Marty Singer, has told that he will sue anyone who publishes the tape, adding that “from what I’ve seen, it’s a naked tape, not a sex tape.”

He says it’s actually three people sitting around wanting to have sex. Oh, well, in that case …

The married couple and Peniche pass around the camera while hanging out in Peniche’s apartment. They all appear out of it as they take a Jacuzzi soak, lie around naked in bed and talk about their porn names.

At one point, Us Weekly reports, Gayheart says she needs to lie down because she’s “so high.”

How did this get out?

The tape surfaced in an official investigation into Peniche’s alleged sex-for-hire business.