Richard Hammond joins Grimmy for the first in a week of Comic Relief co-hosts.
BBC Radio 1
Douglas Booth co-hosts for Comic Relief, plus Nick tries to get Greg James on the line.
Alan Carr co-hosts the show with Grimmy, plus Ne-Yo pops in!
Keith Lemon co-hosts the show with Nick and the team. It could get silly!
Rochelle Humas rounds off the Comic Relief co-hosts, plus Nick catches up with Rita Ora.