This would be the last time the interior of another TARDIS was seen in the classic series.
Final canonical appearance of The Rani. Kate O'Mara reprised the role for the short piece Doctor Who: Dimensions in Time (1993) and the 2000 "Audio Adventures in Time and Space" production "The Rani reaps the Whirl Wind".
This episode was watched by 4.9 million viewers on its original transmission.