1.191 Radhairc
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.
Scaoileadh: Mar 21, 1981
Runtime: 100 nóiméad
Teanga: English
Stiúideo: BBC
Tír: United Kingdom
Caitheadh: Tom Baker, Matthew Waterhouse, Sarah Sutton, Janet Fielding, Anthony Ainley, Delore Whiteman