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Hoping to wipe the smiles off the Eggheads' faces today are Albert CamOuse, who live near either the River Cam or the River Great Ouse in Cambridgeshire.
The Bustice League - whose members all know one another through undertaking Tube and travel challenges in London - take on the regulars. Jeremy Vine hosts.
The So You Think You Know Sport? team from London take on the series regulars while Jeremy Vine asks the questions.