Look for new cast members from 'Real World' and 'Are You The One?'įIND OUT IF BLOOD IS THICKER THAN WATER WHEN MTV'S 'THE CHALLENGE: BATTLE OF THE BLOODLINES' PREMIERES ON WEDNESDAY, DECEMAT 10:00 PM ET/PT Find Out If Blood Is Thicker Than Water When MTV's 'The Challenge: Battle of the Bloodlines' Premieres on Wednesday, Decemat 10:00 PM ET/PT