After an encounter with the Master, an airline stewardess named Tegan Jovanka becomes an unwitting stowaway aboard the TARDIS as it travels to the planet Logopolis. There, the Doctor discovers that the Master's interference with the Logopolitans' advanced mathematics has unleashed a wave of entropy which threatens to consume the entire universe.
as The Doctor
as Adric
as Nyssa
as Tegan Jovanka
as The Master
as Aunt Vanessa
as Detective Inspector
as The Monitor
as Security Guard
as The Watcher (uncredited)
as The Doctor
as The Master (archive footage)
as The Captain (archive footage)
as Davros (archive footage)
as The Black Guardian (archive footage)
as Sarah Jane Smith (archive footage)
as Harry Sullivan (archive footage)
as Brigadier Lethbridge-Stewart (archive footage)
as Leela (archive footage)
as Romana (I) (archive footage)
as Romana (II) (archive footage)
