It's "Horror Night" on "Dancing with the Stars," and viewers are in for a real treat as the remaining couples Monster Mash their way back to the ballroom for a fang-tastic night as they compete another week for the coveted Mirrorball Trophy. 

Lights, camera, Janet! This season's eight remaining couples return to the ballroom for a star-studded Janet Jackson Night. There will also be a double elimination as the couples battle it out to make it into next week's semifinals.