1984: The Tripods

The Blue Peter team learn about the making of the BBC sci fi series Tripods.

Sarah Greene interviews Mike Ellis of the BBC Special Effects Team (and the father of Blue Peter presenter Janet Ellis) about some of the enormous practical special effects used in the show. Simon Groom interviews some of the programme's young human stars, John Shackley, Jim Baker and Ceri Seed.

BBC Archive: Originally broadcast 17 September 1984.