Doctor Who: The Masque of Mandragora (6.8)

Movie · 1976 · 1 h 40 min · Science Fiction, Drama, Adventure

An alien intelligence hitches a ride onboard the TARDIS to 15th century Italy, where a deranged astrologer attempts to harness its power.

Directed by: Rodney Bennett

Starring Tom Baker, Elisabeth Sladen, Jon Laurimore, Antony Carrick, Gareth Armstrong, Tim Pigott-Smith, Norman Jones, Robert James, Brian Ellis, Pat Gorman

We don't know where to watch it in the US.