It is not every day that you get chased by a gorilla in space. You'd have thought it more likely for aliens to be pursuing you.
But that is exactly what happened to Wiltshire astronaut Major Tim Peake on the International Space Station.
Watch the footage, courtesy Nasa
In fact, it was Tim Peake's American colleague, Nasa astronaut Scott Kelly, celebrating the end of his year in space with the help of a gorilla suit given to him by his twin brother Mark.