I'm Sorry I Haven't a Clue new series rotating with the other Monday night comedy staples such as "The Unbelievable Truth", "The Museum Of Curiosity" and "Just a Minute". Excluding compilations and repeats, this totals 481 episodes, (excluding series 70). Some early episodes of the series, including the first, were wiped in the late 1970s. Following the BBC's Treasure Hunt appeal for missing material in 2002, several shows were recovered from off-air recordings made by listeners. In 2007, "I'm Sorry I Haven't a Clue: The Official Stage Tour" visited 9 locations across England. While the broadcast shows are recorded on location, this was the first ISIHAC
I'm Sorry I Haven't a Clue practice the seat and microphone were only used by the producer to welcome the audience, to introduce the participants and to give any other information to the audience such as the expected date of broadcasting, and to supervise re-recordings of fluffs made in the programme. Lyttelton would describe Samantha's social activities, usually in an apology received from the unseen character who had been detained, often with a "gentleman friend". His comments included sexual innuendo and double entendres, like "Samantha likes nothing better than a little potter in the woodshed in the morning", though many were far more daring and explicit.