Trailer released today:http://m.usmagazine.com/entertainment/news/mtvs-the-challenge-trailer-teases-major-tests-to-family-ties-watch-2015311
-Premiere is December 2nd
-Meet the Cast special is November 26.
-CT & Diem's sister make a special appearance (but do not actually enter the competition).
-Zach makes an appearances (currently dates Jenna, but does not actually enter the competition).
Also, there is a cast leaving for Season 28 tomorrow, November 4th. Cast will be announced soon.
Some names highly expected to be on Season 28:
Ashley Mitchell (Real World: Explosion)
Camila Nakagawa (Spring Break Challenge)
Jemmye Carroll (Real world: New Orleans 2)
Jenna Compano (Real world:Explosion)
Jessica Mccain (Real World: Portland)
KellyAnne Judd (Real World: Sydney)
Rianna Polin (The Challenge: Bloodlines)
Bruno Bettencourt (Real World: Skeletons)
Cory Wharton (Real World: Explosion)
Jamie Banks (The Challenge: Bloodlines)
Johnny Bananas (Real World: Key West)
Johnny Reilly (RW: Portland)
Leroy Garrett (Real World: Las Vegas 2)
Tony Raines (Real World:Skeletons)
Wes Bergmann (Real World: Austin)