This review may contain spoilers. I can handle the truth.
Kai Milloy’s review published on Letterboxd:
This review may contain spoilers.
The Master: 👉👈 "Bw-bw-bw, Bwigadier... Pwease help me fix the TARDIS..." 🥺
The reason this story isn't as good as the 2 previous stories is that the Doctor and the Master don't interact until episode 4 of 4.
Also, the Doctor really went 'Meet the Spy' / 'Amongus' on them at the end there.