Starring: Peter Davison
Earth, 2084. Two global superpowers hover on the brink of war. When the TARDIS is forced to make an unplanned visit to Sea Base Four, the Doctor (Peter Davison, The Last Detective), Tegan (Janet Fielding, Minder) and Turlough (Mark Strickson, A Christmas Carol) find themselves accused of being enemy agents.
Item Number: 14674
Commentary by actors Peter Davison (the Doctor) and Janet Fielding (Tegan), script editor Eric Sward and visual effects designer Matt Irvine
The Depths Making Of with cast and crew interviews
They Came from Beneath the Sea Featurette on the realization of the Silurians, Sea Devils and the Myrka
Science in Action Matt Irvine discusses his effects work
Trails and Continuities
Isolated Music
Radio Times Listings (DVD-ROM PC/Mac)
Photo Gallery
Production Notes Subtitle Option
Digitally remastered picture and sound quality
Earth, 2084. Two global superpowers hover on the brink of war. When the TARDIS is forced to make an unplanned visit to Sea Base Four, the Doctor (Peter Davison, The Last Detective), Tegan (Janet Fielding, Minder) and Turlough (Mark Strickson, A Christmas Carol) find themselves accused of being enemy agents. While facing a battle for their lives, the trio faces an even greater threat: the Silurians and Sea Devils have formed an alliance. Can the Doctor prevent them from implementing their "final solution" and triggering a war that could wipe out the entire human race? Extras include commentary by actors Davison and Fielding, script editor Eric Sward and visual effects designer Matt Irvine, plus several exclusive "making-of" featurettes.
The Doctor, Tegan and Turlough arrive at an underwater Sea Base on Earth, where a scientific and military team led by Commander Vorshak are monitoring a rival power bloc. The team undergo regular missile launch test sequences to ensure that they are ready at all times to combat an attack.
Three Silurians led by Icthar - the surviving member of a Silurian triad - revive a colony of Sea Devil Warriors in order to invade the base and use its weapons to attack the opposing power bloc, thus provoking a global war that will allow the reptiles to conquer the Earth.
The Doctor uses ultra-violet light to destroy the reptiles' giant electrified sea beast, the Myrka. When it appears that there is no other option, he also reluctantly suggests using hexachromite gas to kill the remaining invaders. While this is done, he links his own brain into the base's computer to prevent the firing of the missiles.
| The Doctor | --- | Peter Davison |
| Tegan | --- | Janet Fielding |
| Turlough | --- | Mark Strickson |
| Bulic | --- | Nigel Humphreys |
| Icthar | --- | Norman Comer |
| Karina | --- | Nitza Saul |
| Maddox | --- | Martin Neil |
| Nilson | --- | Ian McCulloch |
| Paroli | --- | James Coombes |
| Preston | --- | Tara Ward |
| Sauvix | --- | Christopher Farries |
| Scibus | --- | Stuart Blake |
| Solow | --- | Ingrid Pitt |
| Tarpok | --- | Vincent Brimble |
| Vorshak | --- | Tom Adams |
Directed by Pennant Roberts
Costumes by Judy Pepperdine
Incidental Music by Jonathan Gibbs
Produced by John Nathan-Turner
Script Editing by Eric Saward
Title Music by Ron Grainer and the BBC Radiophonic Workshop, arranged by Peter Howell
Written by Johnny Byrne
Gareth Milne doubles - very convincingly - for Peter Davison in the underwater swimming sequence in Part Two.
Ian McCulloch, well known for his role as Greg in Terry Nation's BBC series Survivors, appears here as Nilson.
Horror film star Ingrid Pitt plays Solow. She had previously appeared in Doctor Who as Queen Galleia in season nine's The Time Monster.