The Second Doctor enjoyed playing this instrument much to the annoyance of his companions.
Recorder
This science teacher companion’s last name was often mispronounced by the Doctor.
Ian Chesterton
These robotic men featured only once alongside the First Doctor but have become a recurring villain.
Cybermen
This Hartnell serial was published in omnibus format for the show’s 50th anniversary and first mentioned the rules of time traveling.
The Aztecs
She was the first producer of Doctor Who and was one of the first women in such a role in British TV.
Verity Lambert
The First Doctor had a deep love for this deeply troubled period of European history.
The French Revolution
This companion’s scream was critical in defeating the monster of her final serial.
Victoria Waterfield
These small robots were servants for a grotesque, yet benevolent, race stranded on a dying planet.
Chumblies
This serial was originally four episodes but a fifth episode had to be written after the previous serial had too little plot for six episodes.
The Mind Robber
This Doctor Who producer was against the Daleks being introduced, “No bug eyed creatures.”
Sydney Newman
This clothing item was lost during The Sensorites, marking the first costume change of the Doctor.
A cloak
Despite sharing the same last name, this young companion was not related to one of the First Doctor’s companions.
Polly Wright
The monsters of this serial do not exist. If you speak of them, you will be sent to correction.
Macra
The first Doctor Who serial to not have individual episode titles.
The Savages
These kind of stories were popular during the Hartnell era as part of the show’s initial goal of education.
Historical Stories/Pure Historicals
This organization forced the Second Doctor to undergo missions shortly before his second regeneration.
Celestial Intervention Agency
This companion’s panda plushie was never seen or mentioned again after his first serial.
Steven Taylor
These antagonists were created to rival the popularity of the Daleks but only appeared in two episodes of their first and only serial.
The Voord
This missing serial debuted the sonic screwdriver to undo screws.
Fury From the Deep
The actor for Jamie McCrimmon, Frazer Hines, is changed out for Hamish Wilson for a couple episodes in The Mind Robber for this reason.
Chicken pox
It was mentioned that the Doctor had this many hearts despite being mentioned having two hearts post-Third Doctor.
One heart
This woman was featured in only one serial and was intended to be the next companion until the actress refused to become a recurring character.
Samantha Briggs
These robots only appeared once in a Troughton serial but were popular enough to appear multiple times in the magazine TV Comic.
Quarks
This Troughton serial received help from the Ministry of Defence for production, starting the occasional alliance with the BBC and Ministry of Defence for future stories.
The Invasion
This studio was used for early Hartnell serials and most Trouhgton serials up to The Space Pirates. The producers hated its small size and poor facilities.
Lime Grove Studios