The way Grievous appears before Obi-Wan on the Malevolence?
Overall, great finale. I really enjoyed the thoroughly intercut structure of the episode and the wide variety of action scenes (trains, space battles, droid carnage, stealth, lightsaber duels, booty traps, etc.). A veritable Star Wars schmorgasborg! All the classic characters doing their own thing (no Ashoka!) and then meeting up for that classic point-blank "family shot" at the end that closes most of the films. Admittedly, the ending was really abrupt but I see it as the result of the episode being sooo action-packed, rewarding our patience with the more talky, character-based parts of previous episodes.
I swear some of the banter between Anakin and Obi-Wan, when they're discussing Anakin's plan to dock at the emergency air-lock, was lifted from one of the latter chapters (22?) of the micro-series.