Pets
Season 2, Episode 5: Star Gate
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JP discovers an interdimensional time portal in the airing cupboard, which leads to an exact replica of the Pets' house, save for it including a double of JP being the only inhabitant and a highly radioactive uranium mine in the kitchen.
All Episodes - Season 2
Episode 1
Drugs
Episode 2
Robot Wars
Episode 3
Presumed Very Guilty
Episode 4
Talent
Episode 5
Star Gate
Episode 6
Manumission Impossible
Episode 7
Possessed
Episode 8
Reincarnation
Episode 9
World War II in Colour
Episode 10
Curse of the Mummy
Episode 11
Mexican
Episode 12
Satan
Episode 13
Business
Episode 14
The Making of Pets