Science fiction films are a firm favourite for many. And whilst the genre specialises in speculative ideas, there is still a much-needed place for factual accuracy. Often, however, scientific detail falls by the wayside in big production films. Why let facts get the way of a good story, eh? Sadly for some, these glaring errors can be a distracting plot hole too far. In this episode, botanist James Wong gives his analysis of the botanical accuracy, or lack thereof, in his favourite sci-fi films.