Well we've had Ronald Colman, Stewart Granger and even Peter Sellars had a go - so it was only fair that Tom Baker got to take his turn at his own version of "The Prisoner of Zenda" in this pretty obvious homage to that famous Anthony Hope story. He and "Romana" (Mary Tamm) arrive on the eponymous planet just as it's weakling prince "Reynart" (Neville Jason) is to be crowned king. Thing is, the evil "Graft Grendel" (Peter Jeffrey) has set his own sights on the throne and by manipulating his android version of a princess who could be the identical twin of "Romana" he hopes to kill quite a few bi...