 In the UK, Ninjas and their weapons are a taboo subject, and several kinds of  weapons are illegal to show on TV (Such as Katana and Nunchaku). To try and  get around censorship laws, the show was marketed as "Teenage Mutant Hero  Turtles" and the names of cerain weapons and places were changed. Towards the  end of the shows run, the format changed almost entirely as part of a trend  to make shows more "extreme" to appeal to a new generation of viewers: 