Peter Davison's era started with a return to the more filled out cast of the early Hartnell and Troughton eras. Other than the odd episode, none of the other Doctors have had such a full cast. Davison's era has one major flaw - the writers couldn't grasp how to deal with three companions at once and they used several tricks that in the long run make some of the stories weaker.
But as I traverse the end of the Classic Series, I find that I must rate the series in two ways. One by the individual stories, and the other by the Doctor, his companions, and his adversaries. While the individual stories are sometimes a bit weak, the characters remain good in spite of that.
Castrovalva - This story is mostly a vehicle for the Doctor's post regeneration trauma. It is also the third Master story in a row. The Escher-esque location is interesting and the Master's trap is good, but the story seems weak. Davison gives a masterful sequence where he channels his previous personas and the touches of past incarnations are nice.
Four to Doomsday - Some really excellent guest stars help carry off this story. The Doctor and his companions need to save the Earth from a danger before anyone on the planet is even aware that there is danger. The aliens have been to Earth before and the time spans are astounding and the characters who populate the ship add some nice depth.
Kinda - Insanity is the danger in this story. Not one, but several people, including Teagan, go a bit crazy. The Doctor has to trace the problem back to the source and finds that Teagan has set something loose.
The Visitation - While trying to land at Heathrow, the Tardis misses and lands hundreds of years earlier. The Tardis crew discover an alien invasion and a plot to destroy humanity. In the process of stopping the alien menace, they witness a fire start in London.
Black Orchid - The first historical drama since Highlanders using one of the same tricks to keep the Doctor and his companions in place, The Tardis vanishes so the Doctor accepts a mis-identification and has a chance to play cricket and get involved with a mystery. The story is short but memorable.
Earthshock - The Cybermen are back. They are set on crashing a ship into Earth, setting off a huge explosion. The Doctor tries in vain to stop it, only managing to move the ship in time. Adric is determined to succeed and stays behind needlessly and is killed when the ship crashes on Earth in Mexico leading to the extinction of the dinosaurs.
Time-Flight - A Concorde vanishes and the Doctor has a plan to find it and rescue the passengers. The Master is back, this time in disguise and trying to take control of a powerful artifact. The cast of characters all have something to do, including the second Concorde crew. It makes for a very exciting episode. At the end the Doctor leaves Teagan on Earth since he has finally returned her to her own time.
Arc of Infinity - What do Amsterdam and Gallifrey have in common? Omega is back, exactly 10 years after his first appearance. Teagan is looking for her nephew but only finds his friend. The Doctor is faced with death because the Timelords don't realize the nature of the being trying to take over his body. It is a fascinating story. It gets off to a slow start, but by the end it is really good. A nice cameo by future Sixth Doctor, Colin Baker.
Snakedance - The Mara (from the story Kinda) is back, this time trying to regain physical form. This was an interesting story guest starring a very young Martin Clune. He is superb as the spoiled heir to the throne.
Mawdryn Undead - Not only is the Brigadier back, but twice over. Several stories weave together to come to a single conclusion. A race who pilfered Timelord regeneration technology are cursed with eternal life in quickly degenerating bodies. They want the Doctor to free them by giving up his remaining regenerations. In order to save Nyssa and Teagan, he must do that. Because the Brigadier is not a Timelord nasty things can happen if his two selves touch, but that is what happens at the exact right moment, saving the Doctor, Nyssa, and Teagan. This episode also introduces Vislor Turlough, a person out of time or place (it is never clear if he is alien or a future human - I assume future human is the more likely) who is in service to the Black Guardian, who has finally tracked the Doctor down (check out The Armageddon Factor from several seasons previous).
Terminus - Turlough's sabotage forces the Doctor to land in a very unusual way (by linking a door inside the Tardis with a door in a ship). They are tied to a plague ship that is docking at a healing facility, except few get healed and the process is far from accurate. They are taking advantage of a unique radiation leak from a derelict ship. The Doctor realizes that this ship may have caused the explosion commonly known as The Big Bang. This story holds a special place for me as I read the novelization long before I got to see it. Probably one of my favorite Davison episodes, except the part where Nyssa decides to remain to perfect the treatment process.
Enlightenment - A unique race with ships sailing on solar winds, with one of the contestants out to kill the others. Turlough is conflicted and doesn't want to do what the Black Guardian wants. The prize of the race is big and the Guardians power rests on who wins. This is a fun episode and really well done.
The King's Demons - This nice two parter is almost a historical story, except the Master is up to his normal tricks, this time trying to disrupt history by preventing the Magna Carta from being signed. It introduces Chameleon, a robot who can take on different identities. Chameleon ends up joining the Tardis crew, but isn't significant until his last story.
The Five Doctors - A personal favorite (and I only watch the original version, not the special edition). A wonderful romp through Doctor Who history with the return of 2 of the previous actors and a marvelous stand-in for the First Doctor. The sad point is the Fourth Doctor, but I think that makes the story stronger. Lots of familiar faces, including from Arc of Infinity. A wonderful way to celebrate the 20th Anniversary.
Warriors of the Deep - The Tardis lands in the future where the Silurians and Sea Devils have formed an alliance with the intent to attack a human missile base to set off a global catastrophe (reminiscent of the US/USSR cold war). The Doctor tries to act as negotiator, but is thwarted by circumstances and stubbornness. It is a very poignant story as he is once again unable to save the ancient species.
The Awakening - A quiet village is reenacting a series of battles and events from their past. But this is awakening an ancient evil that crashed there long ago. The Doctor manages to save the day with little loss of life, though historians would not appreciate him sacrificing the village church to do so.
Frontios - Far in the future, at the end of time, past where Timelords are supposed to travel, one of the last human colonies is struggling for survival and feel that the meteor showers that have killed so many are a form of attack. It turns out they are right. Tractators are behind their troubles and a race memory that Turlough carries provides the key to beating them. Lots of people die, but the colony survives. A bittersweet victory for the Doctor.
Resurrection of the Daleks - The Daleks are at it again. They are after a cure for a virus and seek the help of Davros, a prisoner of the humans. They have linked to 1984 to overcome the prison's defenses and it catches the Tardis. Again many people die. The Doctor manages to win by using the virus. Davros, who thinks he is immune, is caught by the virus on the prison after he releases it himself. Teagan chooses to leave, finding all the death to be too much.
Planet of Fire - An artifact is uncovered on Earth, but it is not terrestrial. The Doctor investigates even though Turlough tries to prevent it. The Master is back and is controlling Chameleon again. This time a young girl gets trapped in the Tardis while they go to a planet where Turlough's people have been exciled. In the end, Turlough risks his freedom to call in help from his people, only to learn his punishment has been lifted. The Master's plans go awry, Chameleon is destroyed, Turlough stays with his people, and Peri begs to stay on the Tardis.
The Caves of Androzani - While looking for quality sand to make a new glass part for the Tardis, the Doctor and Peri are poisoned. The only remedy is a legendary creature, but to get it, they have to contend with a convoluted situation that pits two men and their followers against each other. In the end the Doctor is only able to get enough of the remedy for Peri. Instead of dying he regenerates. This episode has some glimmers of genius, but is obscured by too many things going on.
The Davison era has some really great stories. Few are terrible, the worst ones being just a bit weak and not truly bad. But the good ones are truly great. Davison's Doctor is fresh and different, while still being every bit the Doctor. The companions are fresh and different. It is nice to see how Turlough wants to be good, but his past never quite lets him come up to what we expect of a companion. Though not my favorite era, it is quite enjoyable.
Next up is the Sixth Doctor. My old video tape collection was missing a large chunck of the Fifth and Sixth Doctors so many of these stories are ones I have not seen very often. Then I'm just going to finish off the original series and the 1996 TV movie before jumping to the Eleventh Doctor. I've only watched most of his stories once.