When in doubt, abduct all your past selves and hope the audience is too busy clapping to notice the plot holes.
Short Synopsis
The Time Lords’ High Council enlist the Doctor’s help to investigate the mysterious “time scoop” that’s snatching his previous selves and dropping them into the Death Zone on Gallifrey. Along the way, companions old and new pop up, the Master is drafted as comic relief, and Rassilon himself appears to hand out immortality like party favors. The whole thing is gloriously chaotic, and fans wouldn’t have it any other way.
Extended Storyline
We open with Gallifrey’s High Council panicking, which is basically their default state. Someone has stolen the President’s most dangerous party trick — the time scoop — and is using it to kidnap all incarnations of the Doctor (and a random selection of companions) to dump them in the Death Zone, aka Gallifrey’s answer to a gladiator arena.
Naturally, the Fifth Doctor and his current companions (Tegan and Turlough) are whisked into the mess. But the real fun is in watching the past Doctors team up — or, in the First Doctor’s case, glare disapprovingly at everyone while insisting he knows best. Sadly, William Hartnell had passed away, so the First Doctor was played by Richard Hurndall, who did a surprisingly good job of channeling “grumpy granddad energy.”
The Second and Third Doctors are back in full force, bickering like old married men and trading insults that only decades of regeneration can supply. The Fourth Doctor, however, was absent (Tom Baker wisely declined), so the BBC used leftover footage from Shada, meaning his contribution is basically “stuck in time.” In hindsight, probably the most dignified role in the entire special.
The Death Zone itself is basically a Doctor Who theme park of greatest hits. Cybermen show up and immediately get blown to smithereens by Raston Warrior Robots (who move like Olympic gymnasts on fast-forward). A Dalek pops up briefly, gets tricked into self-destructing, and leaves just enough wreckage to remind fans they were invited to the party. The Yeti even make an appearance, proving that no monster is too obscure for an anniversary cameo.
Meanwhile, Gallifrey’s High Council decides their best plan is to recruit the Master to “help.” Because nothing says “responsible governance” like arming your most untrustworthy villain and tossing him into the mix. To his credit, the Master spends most of the story either being insulted, bribed, or outright ignored. Truly, his most humiliating gig.
Eventually, all the Doctors and companions converge on the Tomb of Rassilon, where the great founder of Time Lord society is supposedly resting. Surprise: he’s not resting so much as scheming from beyond the grave. The true prize is immortality, but — classic Rassilon twist — it comes with being turned into a decorative wall carving. It’s essentially the Gallifreyan equivalent of a “win a free cruise” scam.
The Doctors, of course, refuse the prize, instead shoving it at the scheming Borusa, who foolishly accepts and is promptly turned into a grotesque stone bust. Rassilon chuckles, the Time Lords are saved, and everyone gets dumped back where they came from with minimal explanation.