Mammoth is a comedy show about the life of PE teacher Tony Mammoth. Mammoth is a man literally out of time. In 1979 he was a happy-go-lucky PE teacher, leading a school skiing trip to the French Alps. Life was good. Right up until an avalanche decided to ruin his day by sweeping him away to what was surely his death: a death which would break the hearts of all the kids that he taught, almost all of his colleagues and several mothers, and devastate his best friend and wingman Roger Buck.