Serial: H  Episode Nos. 37,38,39, and 42.  Title: The Reign of Terror

The TARDIS lands in the middle of the French Revolution, and the Doctor and his companions are seperated. Ian, Barbara, and Susan are imprisoned as traitors, awaiting death at the guillotine, while the Doctor is left for dead in a burning house. Escaping that, he heads for Paris to attempt to free his friends, but as if that task weren’t steep enough as it is, Susan has become very ill in the prison, and Ian has become involved in an English spy plot to determine who will be the next ruler of France...

The fourth and fifth episodes of this six-part serial are missing from the BBC Archives. Their absence is patched with narration recorded by Carole Ann Ford, a few film clips, and segments of the soundtrack.

starring William Hartnell as Dr. Who, William Russell as Ian Chesterton, Jacqueline Hill as Barbara Wright, and Carole Ann Ford as Susan Foreman.  Written by Dennis Spooner, Associate Produced by Mervyn Pinfield, Produced by Verity Lambert, and Directed by Henric Hirsch and John Gorrie.

Originally transmitted from 8 August 1964 to 13 September 1964 on BBC1.

This box set also contains a second videotape with three bonus episodes, the last remaining Patrick Troughton episodes from now-incomplete serials that had not been previously released.

1 & 2. The Faceless Ones - Episodes 1 and 3.
        The TARDIS lands back on Earth at London’s Gatwick Airport, right on the runway during an aircraft landing!

The crew scatter and immediately stumble across a sinister kidnapping plot masquerading as a vacations service, in

more ways than two....  Starring Patrick Troughton as the Doctor. These are the only surviving episodes of this six-part story.
from Serial KK, Episode Nos. 157 and 159.  Originally transmitted on 8 April 1967 and 22 April 1967 on BBC1.
3.    The Web of Fear - Episode 1.
       This is the only surviving episode from this six-part story. Prof. Travers accidentally awakens a Yeti robot forty years after

the Great Intelligence tried to use them to invade Earth via a Tibetan monastery... only this time it happens in London! The city

is soon evacuated, after it is invaded by a strange fungus web spread by the Yeti, which also ensnares the TARDIS in space.... 

The episode is followed by a few surviving film clips discovered in 2002 in the vaults of the New Zealand censors, showing scenes

from later in the story.

Starring Patrick Troughton as the Doctor.
from Serial QQ, Episode No. 192  Originally transmitted on 10 February 1968 on BBC1.