There’s still some question as to who Klaus (Joseph Morgan) will have a “special moment” with this season (*cough*Klaroline*cough). However, we do know when the big moment will arrive.
Joseph told E! Online that fans will have to wait until Episode 18 for the intimate scene.

"He hasn't really ever kissed anyone!” he said. “I mean in the form of Tyler he has, but I think he's finally going to get some action. It's going to be interesting.”

The Brit also confessed to hitting the gym hard in preparation for The Originals spinoff.

“I've gotten away with a year and half of keeping my clothes on, on The CW, which I think must be a record!”

We look forward to seeing Joseph breaking that fully clothed streak very soon.

Source: E! Online