Producers had previously described the self-contained biosphere as feeling like "the safest place in Britain".
The Little Britain star was an instant hit with viewers of the Channel 4 baking competition.
New presenter Matt Lucas will make his debut in the Bake Off tent later this month.
The Little Britain star will be joining Noel Fielding in the tent, replacing Sandi Toksvig.
The combination of Louis Theroux and Love Island's Ovie Soko made many viewers very happy.