behind to resume their lives without disruption, leaving the Doctor and Jamie to travel on. What happens to Ben after his return to Earth is unclear. The Doctor seems to think that Ben will become an Admiral and that Polly will look after Ben, but it is not clear if this is a prediction or simply wishing them well. In the audio story The Five Companions, an older Polly tells the Fifth Doctor that she and Ben are still together. in Death of the Doctor, Sarah Jane Smith mentions that Ben is working with Polly in India and "running an orphanage there." Ben and Polly appear in the 2017 Doctor Who Christmas special "Twice Upon a Time", portrayed by Jared Garfield and Lily Travers respectively. The episode's plot involves the events of The Tenth Planet. Other appearances In the spin off short story "Mondas Passing" by Paul Grice (in the anthology Short Trips) which takes place in 1986, it is revealed that Ben and Polly have gone their separate ways and married other people. Ben meets a divorced Polly again with the help of the Second Doctor in 1999 ("That Time I Nearly Destroyed The World Whilst Looking For a Dress" by Joseph Lidster, published in Short Trips: Past Tense), where the two admit their love for each other. Big Finish audios have recently 're-cast' Elliot Chapman as Ben Jackson in various audio releases. One of these- The Forsaken- the TARDIS lands on an island off the coast of Japan during the Second World War, where they actually meet Ben's father shortly before Ben's conception, ensuring that the time travellers stay on the island so that they can make sure Ben's father gets home. List of appearances Television Season 3 The War Machines Season 4 The Smugglers The Tenth Planet The Power of the Daleks (Episodes 1-4, 6) The Highlanders The Underwater Menace The Moonbase The Macra Terror The Faceless Ones Series 10 "Twice Upon a Time" Novels Virgin Missing Adventures Invasion of the Cat-People by Gary Russell Past Doctor Adventures The Murder Game by Steve Lyons The Roundheads by Mark Gatiss Dying in the Sun by Jon de Burgh Miller Ten Little Aliens by Stephen Cole Telos Doctor Who novellas Wonderland by Mark Chadbourn Short stories "Mondas Passing" by Paul Grice (Short Trips) "That Time I Nearly Destroyed The World Whilst Looking For a Dress" by Joseph Lidster (Short