<Li> Opportunity Knocks, Again (Series 2--5) - Based upon Opportunity Knocks, the format focused on members of the studio audience, who had previously performed on the show, to repeat their act on Saturday Night Takeaway . </Li> <Li> Saturday Cash Takeaway (Series 3) - This segment focused on a member of the studio audience randomly selecting one of nine popular takeaways, each being delivered to their customers . The one chosen would then be stuffed with £ 1,000, which the unsuspecting customer could receive, along with their food, if they answered a question correctly from their front door . </Li> <Li> Saturday Night Pub Olympics (Series 4) - This segment focused the production team selecting a random pub across the country, in which a number of unsuspecting customers visiting it would be invited to take part in a series of sporting events, dubbed the "Saturday Night Pub Olympics". The members taking part, are split into two teams, and face other against each other in three different events, with Dickie Davies providing commentary on proceedings . </Li> <Li> Beat the Boys (Series 5--8) - This segment focused on the presenters competing against a pair of celebrities in a specially themed time - trail event . Each pair would drive around a specially created course in a specific type of vehicle, and attempt to set a fast lap time . For each episode that the segment was featured in, the course included a specially designed set of obstacles that both pairs had to complete correctly; any not completed correctly would incur a ten - second penalty to the pair's lap time . </Li>

When does ant and dec's saturday night takeaway