1970s show challenged attitudes by defying gender stereotypes and boldly addressing topical issues, broadcaster says

They may be best remembered for wacky props such as their oversized flat caps and a bicycle made for three as well as their banging theme tune “Goodies, goody goody yum yum”.

But it may be time to reassess the surreal 1970s and early 80s sketch show The Goodies and regard it not just as silly fun but as a catalyst for social change.