Ben Flajnik Ben Flajnik

The Bachelor is back — with bikinis, bleeps... and bare butts!

After a sweet montage of Ben Flajnik on romantic mountaintop dates, the clip cuts quickly to the drama: skinny-dipping, face-sucking and girl-on-girl crime. "I am going to kill whoever walks in that door," says one classy lady when she learns that a girl from Ben's past has arrived. (Hint: It's someone you've seen on this show before!)

VIDEO: Bachelorette's first pair offer their advice for being a successful reality TV couple

Watch the Grandma-safe preview below and then head over to Entertainment Weekly for the not safe for work (aka "bare butts") version.

The Bachelor premieres Monday, Jan. 2 at 8/7c on ABC.Are you going to tune in?