High Quality Content by WIKIPEDIA articles! X-perimental was a children's science magazine show created by CBBC. IT originally aired on BBC One but now is only repeated on the CBBC Channel. SEries 1 was presented by Ortis Deley and Holly Willoughby who then both left to move on to present other shows. SEries 2 was then presented by CBBC continuity presenter Simon Grant alongside science reporter Jane Farnham. ORiginally X-perimental was shown on BBC One for both series but series 2 was repeated on the CBBC Channel. SEries 1 was shown on Mondays at 4:00pm but the time changed for series 2 which was shown at 4:25pm on Wednesdays. IN series 1 two teams of 3 from different schools would battle in various science experiments and the objective was to get in 1st or 2nd on the X-perimental leaderboard.