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This is another purely historical adventure spanning six episodes with no science fiction elements to it outside of the series premise. The location neatly "bookends" the first season as Susan was seen reading from a book on the French Revolution back in An Unearthly Child, and she tells Ian and Barbara that this is the Doctor's favourite period in Earth history. The Doctor does not seem to show any particular pleasure at being present in it though; his main goal is to get his companions and get out, not linger for the violence in which the era is steeped. He does, however, get to assume the guise of a regional governor to aid in his ambitions, and seems to enjoy playing it up and yelling at a lot of people to get his way. Indeed, the costume he appropriates for this end is very grand and gets featured on the cover of any media release for the title. Being an adventure in the past, Barbara again uses her knowledge of what went on to see where they are headed, and makes an impassioned speech in the fifth episode about the circumstances of the time and how people do not always deserve what they get, comeuppance or otherwise. Susan doesn't get to do much except get put in prison, escape with a fever, and then get put into prison again. It's not been said if this was done deliberately to get some away time for Carole Ann Ford as had been done for other series regulars already this season. It's interesting to note that neither Barbara nor Ian express any concern over Susan's sudden illness - they know she is not from Earth and should realize that her immune system would be different from theirs and taking her to a physician in 18th century France might get her noticed in a bad way,
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In 2013 the story was finally done up properly for a DVD release with the existing episodes cleaned up for the release, and the missing ones recreated in animation form. It's no Disney quality animation and it's not anime, but what they achieved is quite remarkable. This practice had become the norm for a while where missing episodes were concerned if they were needed to complete a story for release, although disappointingly the incomplete adventure The Underwater Menace does not get this treatment. The animation companies change between releases but each of them are very good with the character likeness well captured; some may argue that the visuals are not as good as they would like, being sometimes static and not as fully animated as they would like, but the option to not watch them is there for those folks. Specifically for Reign of Terror I found the use of shadow made the episodes feel a lot more menacing, and some of the more expressive faces look freakish, most notably Hartnell's buggy eyes at times. But the big beef I have, and it's not a big one really, is that some scenes where there was nothing to reference as to what characters were doing there's a lot of standing about and close ups of faces looking this way and that much like pre-commercial cliffhangers for soap operas where they have run out of dialogue.
So that's season one finished, plus some extras. Reign of Terror completed broadcast on 12 September 1964 and the next televised episode was Planet of Giants on 31 October 1694. Most of the televised serials of season one left very few gaps between adventures, making placement of new material tricky, but as there is a discernible gap between episodes here there's a lot of opportunity to add stories. BBC Books and Big Finish have produced a good spread of material which fits here nicely...
NEXT EPISODE : CITY AT WORLD'S END