The Riddle of the Sphinx (Inside No. 9) was characterised by Pemberton as a thriller in the style of Anthony Shaffer's 1970 play "Sleuth", while Shearsmith identified the episode as particularly theatrical, in the style of "Sleuth" and Ira Levin's 1978 play "Deathtrap". BBC executives, according to Shearsmith, saw the episode as a cross between "Sleuth" and Willy Russell's 1980 play "Educating Rita" that read as if it had been authored by psychopaths. The executive producer Jon Plowman suggested that the first half of the episode plays out like a radio play. The word-play and tea-drinking in this part of the episode are, in the writers' opinion, very
Free Willy 3: The Rescue out to go after Willy and his pod, using an audio recording of a song which Jesse plays on his harmonica as a lure for Willy, who won't realize that it's not Jesse until it's too late. Jesse's boss plans to call for help the next day, but knowing it will be too late then, Jesse, Randolph and one of their fellow researchers, Drew, steal the "Noah" research boat from her mooring and go after the whalers themselves. Max manages to buy them a little time by jumping into the water and forcing the whalers to pause their pursuit of