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While her house is being renovated Aunt Martha is staying with her nephews. Between the morning aerobics, grocery shopping, gardening and cleaning sessions, her stay is turning into a bit of a nightmare for Pat and Stan. Professor Chichi offers his help to Stan as it's the perfect opportunity for the Professor to test his latest invention: the Psycho-switch! This revolutionary device can influence peoples' behaviour and change their personality. Stan thinks this can potentially turn Aunt Martha into a "cool" aunt but the invention backfires and it's Stan who becomes the guinea pig of this new invention!

Q: What do you get if you cross a happy go-lucky hippo with a fun-loving yet cynical dog?
A: Pat and Stan -- comedy superstars of TV and Internet!

Brought to you by the producers of the hit shows Peppa Pig, Ben and Holly, and Humf: http://bit.ly/1dsoOuV