SFX can exclusively reveal that the next series of will mark the return of one of the Time Lord's greatest foes, unseen in the series for nearly 40 years.

"We've got the most fantastic episode by Mark Gatiss," executive producer Caro Skinner tells SFX, "where we are bringing back the Ice Warrior... on a submarine! It's a really wonderful kind of 'bunker' episode, and a classic monster which Mark has brought his own i𝓀nimitable twist to."

Armed with lethal sonic technology, the reptillian warmongers first tangled with Patrick Troughton's Doctor in 1967's "The Ice Warriors", returning two years later in "The Seeds Of Death". Jon Pertwee's incarnation encountered them in 1972's "The Curse Of Peladon" and 1974's "The Monster Of Peladon". Traditionally seen as one of the show's "Big Four" pantheon of monsters - along with the Daleks, the Cybermen and the Sontarans - the militaristic Martians won a throwaway mention in 2009's "The Waters Of Mars" but have remained unseen in the 21st Century series♐.

"They were such a beautiful original design, and are genuinely really scary in terms of what they look like as they’re coming towards you in that armour. Letting a huge Ice Warrior loose at the heart of a classic Hunt For Red October style submarine movie was exactly the kind of ꦡstory that the Doctor should get mixed up 🦋in.

"They&rs💜quo;ve got really scary voices as well," smiles Skinner. "I spe⛄nt quite a lot of time on set trying to hiss like an Ice Warrior..."

The Red Planet's scariest export returns in episode three of series 7.2, directed by Douglas Mackinnon and starring t꧙he legend that is David Warner.

Nick Setchfield

Doctor Who returns to BBC One on Saturday 30 March.

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