1.1 Domain of The Voord
The time travellers find themselves pitched into battle against the Voord, the ruthless enemy they last encountered on the planet Marinus.
William Russell (Ian Chesterton), Carole Ann Ford (Susan), Daisy Ashford (Amyra), Andrew Dickens (Jonas Kaan/Tarlak), Andrew Bone(Pan Vexel/Nebrin)
 
1.2 The Doctors Tale
As the Doctor and Barbara take the road to Canterbury, Vicki finds a royal friend and Ian is dragged into a dark web of conspiracy at whose heart sits that teller of tales, Geoffrey Chaucer.
William Russell, Maureen O’Brien, Gareth Armstrong, Joseph Kloska, Alice Haig
 
1.3 The Bounty of Ceres
When the TARDIS strands Steven, Vicki and the Doctor on the base, they have to fight a foe they can barely comprehend to survive.
Cast: Maureen O’Brien (Vicki/Narrator), Peter Purves (Steven/Narrator), Richard Hope (Moreland), Julia Hills (Qureshi), Peter Forbes (Thorn)
 
1.4 An Ordinary Life
without the Doctor, marooned in a time and place as alien as anything they've ever encountered, Steven and Sara may well face their greatest challenge yet. To live an ordinary life.
Cast: Peter Purves (Steven Taylor/Narrator/The Doctor), Jean Marsh (Sara Kingdom), Ram John Holder (Joseph Roberts), Damian Lynch (Michael Newman), Sara Powell (Audrey Newman), Stephen Critchlow (Billy Flint)
 
2.1 The Yes Men
The Doctor, Jamie, Polly and Ben arrive on New Houston, an Earth colony in the Fourth Sector, which the Doctor previously saved from an alien invasion
Cast: Anneke Wills (Polly Wright/Narrator), Frazer Hines (Jamie McCrimmon/The Doctor), Elliot Chapman (Ben Jackson), Lizzie McInnerny (Harriet Quilp), Stephen Critchlow (The Yes Men), Timothy Speyer (Nesca Bangate), Jane Slavin (The President)
 
2.2 The Forsaken
The TARDIS lands on an island off Singapore during the Japanese invasion of 1942.
Cast: Anneke Wills (Polly Wright/Narrator), Frazer Hines (Jamie McCrimmon/The Doctor), Elliot Chapman (Ben Jackson/Private Lawson/Andrews)
 
2.3 The Black Hole
The Doctor discovers a power far greater than any of the monsters that challenge him on his travels...
Cast: Frazer Hines (Jamie McCrimmon/The Doctor), Deborah Watling (Victoria Waterfield), Rufus Hound (Constable Pavo), Janet Dibley (Commander Flail), Anthony Keetch (The Seeth). Narrated by David Warner.
 
2.4 The Isos Network
Set immediately after the TV story The Invasion, The Isos Network reveals that the Cybermen threat is far from over...
Cast: Frazer Hines (Jamie McCrimmon/The Doctor/Narrator), Wendy Padbury (Zoe Heriot/Narrator), Rachel Bavidge (Seru), Richard James (Enab), Kieran Hodgson (Alam/Hilsee) and Nicholas Briggs as the Cybermen
 
3.1 Age of Endurance
The TARDIS materialises on board a still and eerie spaceship
Cast: Carole Ann Ford (Susan/Narrator), William Russell (Ian/The Doctor), Jemma Powell (Barbara)
 
3.2 The Fifth Traveller
The TARDIS crew are about to find themselves in the middle of somebody else's battle. But there's more at stake than even they can know.
Cast: William Russell (Ian/The Doctor), Maureen O'Brien (Vicki/Narrator) Jemma Powell (Barbara/Fula
 
3.3 Ravelli Conspiracy
Cast Maureen O'Brien (Vicki), Peter Purves (Steven Taylor/The Doctor/Narrator), Mark Frost (Niccolo Machiavelli)
When the TARDIS lands in a house in Florence, Italy in 1514, it isn't long before the guards of Guiliano de Medici arrest Steven and Vicki
 
3.4 The Sontarans
the Doctor and his friends discover that the SSS squad is on a terrifying mission. With many lives at stake, they have to venture deep inside the asteroid in search of a hideous weapon. But who can they trust in the battle against these Sontarans? Written By: Simon Guerrier
Cast: Peter Purves (Steven/The Doctor/Narrator), Jean Marsh (Sara Kingdom), Dan Starkey (Corporal Ellis/Slite/Shrok/Stack/Commander