A couple buys a cheap self-assembly wardrobe which leads them to the fantastical, but slightly rubbish, land of Njarnia. Wrong Door viewers also meet unfortunate wannabe superhero Rocketman and the monster who lives in the office stationery cupboard; Philip the Dinosaur goes bowling; there’s an intriguing new weight-loss cure; and a water-cooler moment viewers probably won’t want to share.

Chief Inspector Barnes struggles to balance his budget, while the offices of Baum Technologies find themselves with an unusual pest control problem. Lisa finds out her boyfriend can make himself invisible, Trampoline Transit Ltd demonstrate an innovative commuting alternative and Susan is abducted by the Smutty Aliens.

Commander Bondo of the Clown Secret Service is tasked with thwarting a dastardly Ninja plot to assassinate Captain Goitre, leader of The Train Pirates. Melanie’s relationship with Philip the Dinosaur reaches breaking point and Xotang the giant robot’s holiday plans are ruined when he forgets his passport.