Presenters
The first series was presented by a five-strong lineup of hosts, two of whom had previously appeared on No. 73. Neil Buchanan and Andrea Arnold were joined by new recruits Caroline Hanson, Tony Gregory and Julian Ballantyne.
For the second series, Andrea Arnold ceased to be a main presenter and instead filed location reports from sites around the world which were broadcast into the programme. Hanson and Ballantyne departed the programme, replaced by Gaby Roslin and Steve Johnson. Buchanan and Gregory remained. Generally Buchanan, Gregory and Roslin would present the studio elements with Johnson hosting the gameshow inserts It's Torture, Gunge 'em In The Dungeon and Mouse Trap (based upon the board game of the same name).
By the third series, Andrea Arnold had left the programme entirely, with Tony Gregory also departing, replaced by former Children's BBC presenter Andy Crane. Crane, Buchanan, Roslin and Johnson remained as presenters until the end of the show's run.
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