Animation based on the classic children's picture book written by Julia Donaldson and illustrated by Axel Scheffler, telling the magical tale of a mouse who takes a walk through the woods in search of a nut. Encountering three predators who all wish to eat him - a fox, an owl and a snake - the plucky mouse has to use his wits to survive. He announces that he is meeting a monster with terrible features, a 'gruffalo'. Featuring the voices of Robbie Coltrane (The Gruffalo), James Corden (Mouse), Helena Bonham Carter (Squirrel), Rob Brydon (Snake), John Hurt (Owl), Tom Wilkinson (Fox), Sam Lewis (First Small Squirrel) and Phoebe Givron-Taylor (Second Small Squirrel).