Everybody worries about the end of the world, as economists and environmentalists speak in apocalyptic terms every day. iGod says that trying to predict the end of the world is as pointless as moisturising an elephant's elbow.

In each episode, an unnamed, all-seeing narrator (voiced by David Soul) shows that it is stupid to worry, as he looks back at some of the most entertaining apocalypses on parallel Earths. Each week the case study is a normal guy called Ian (Simon Day), who manages to accidentally initiate the apocalypse of a different parallel world through a seemingly harmless single act including telling a lie, being lazy and cooking some lamb shanks. A series of vignettes ensues which escalates to the end of a parallel world...