Starts at 9pm on Monday 28th Jan. It's on every night (excluding weekends I think) for 3 weeks.
https://www.digitalspy.com/tv/realit...roadcast-date/
Saw a new trailer for it on Channel 4/E4 that showed footage from the actual series and fights/challenge previews etc. It looked pretty good and the cast seems fairly diverse in terms of appearances (all young hotties though)