Tonya Cooley, a cast member of 'Real World: Chicago' and many 'Real World/Road Rules' challenges, is suing MTV, Bunim/Murray Productions and reality stars Evan Starkman and Kenneth Santucci, saying the male cast members named in the suit sexually assaulted her.

According to TMZ, Cooley's lawsuit claims Starkman and Santucci sexually abused her with a toothbrush while she was passed out. Warning -- the details are a bit graphic.

'The Challenge: Fresh Meat II' (10PM, MTV) season 19 premiere
Thirteen 'Real World/Road Rules Challenge' veterans are paired with 13 competitors who make up the titular "fresh meat" in this latest quest to win a $300,000 prize. And while the newbies are gonna give the old school players a run for their money -- both literally, and in terms of their ability to party themselves senseless (also literally, in some cases) -- the story of this 'Challenge' is a familiar one, as rivals Kenny and Wes square off once again. There will be plenty of hook-ups, break-ups, fights and, a preview suggests, a medical situation that requires a helicopter evacuation, but it's the continuation of the Wes vs. Kenny brouhaha that will cause the biggest drama in the game. The two actually start the competition as allies, sorta, but it doesn't take long for Kenny to realize that what's in his best interest is definitely not a priority for Wes ...