Doctor Who: Logopolis (1981-03-21)
Overview
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.
Watch Trailer
Status: Released
Release Date: 1981-03-21
Runtime: 1h 40m
Director: Peter Grimwade
Writer: Christopher H. Bidmead