While Doctor Who is the lead of the show, there is usually a trio of people who make up the stars of the series.

One of the exhibits in Eldred’s space museum is the TARDIS’ astral map that was first seen in The Web Planet. Patrick Troughton was on holiday during the making of Episode Four. His absence ...

Zoe smuggles herself aboard the TARDIS at the end of the final episode. Patrick Troughton took a holiday during the making of Episode 2. His absence was explained by having the Doctor unconscious ...