Adult Phone Hotline Prank! SUBSCRIBE for daily Kissing Pranks & Funniest Pranks! Subscribe to RiskyRobtv: .\rbr\rbrPrank Calling with friends AMAZING REACTIONS! Featuring: Rewack Tmyers- .\rbr\rbr \rbr\rbrOne night me and my friends call the adult hotline.\rbr\rbr Contains adult humour. Boxing Day, 10pm on BBC Two. Repeated Sun 30 Dec, 11:10pm. Graham Norton challenges .