Gromit butts heads with a mysterious penguin lodger, who hatches a sinister scheme involving the ex-NASA Techno Trousers that have been modified by Wallace for walkies.Gromit butts heads with a mysterious penguin lodger, who hatches a sinister scheme involving the ex-NASA Techno Trousers that have been modified by Wallace for walkies.Gromit butts heads with a mysterious penguin lodger, who hatches a sinister scheme involving the ex-NASA Techno Trousers that have been modified by Wallace for walkies.