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S03E18: Fractures deals with the inevitable reunion. Things are complicated by a transport pod full of prisoners who were to be the subjects of a Peacekeeper weapon test. Things go badly, of course. By the end of the episode, John has decided to pick up where the other Crichton left off and make sure Scorpius can't ever use the wormhole knowledge from the chip.
In terms of the geek, one good reference: John calls a hynerian woman, whom Rygel is smitten with, Barbarella. Some Disney characters are also namechecked as part of a list of parts. So too is William Burrough's classic novel Naked Lunch, though I haven't actually read the book.
S03E19: I-Yensch, You-Yensch follows up on John's conviction, as Rygel and D'Argo meet with Scorpius and Braca to secure passage to the Command Carrier. Oddly, the threat comes not from Scorpius but from a bumbling pair of arsonists who plan to burn down the meeting spot for the insurance money. Meanwhile, Talyn finally breaks down and fires on a hospital ship, then Moya, leaving the crew no choice but to shut down his higher functions with the intention of giving him a complete retrofit and a new personality.
No real geek here, though. Yensch sounds very yiddish, doesn't it, but refers to the I-Yensch bracelets introduced here, which transmit pain from one wearer to the other. Crichton will wear one, Scorpius the other, so no betrayal is possible.
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I love the noble sacrifice Crais makes. He's come a long, long, LONG way from the one-dimensional villain we met in the pilot. (No, not THAT Pilot, the other pilot. Though, of course, Lani Tupu does play Pilot too... but I digress.) There is some great imagery in the episode too, like the shot of Scorpius standing in front of his ship with water running down the stairs. You don't think of water on starships, but of course they must have tons.
There's a bit of geek too. My favorite is the introduction of a long-running nickname for Scorpius: Grasshopper, from Kung-Fu. It shows up a few times in these episodes, then quite a bit in season four. There's also a double-whammy sentence: "I've got Dick Tracy's freakin' neural bracelet linkin' me to Bram Stoker's nightmare." There's also the awesome line, "Flying through wormholes ain't like dustin' crops, farmboy," a paraphrase of Han Solo's quip to Luke from A New Hope. Less geeky pop-culture nods include The Caine Mutiny ("Scorpy's in Captain Queeg mode. Somebody's stolen his strawberries") and John ironically calling Scorpius Ghandi.
S03E22: Dog with Two Bones caps off the season. It's an odd episode, coming down from the high that was Into the Lion's Den. Absent the threat of Scorpius, the crew disintigrates, and John and Aeryn go their separate ways. We do meet a new character, unnamed as of yet, an older mystic woman with three eyes. In some ways, she's stepping in to the role that Zhaan filled. Despite a large number of dreams of Earth, no real pop culture references here. It's a ton of fun to see Chiana hanging all over Jack Crichton, though! She sure looks hot in human garb.
That's it for season three! Overall, probably the strongest of the four offerings. One was two slow, and four has an odd vibe to it. Two was pretty terrific, but the two Crichton story arc gave the whole show terrific momentum. We also benefit from the increased presence of Scorpius, one of the best sci-fi villains ever.