8:54 - Ahsoka: "Blue leader, standing by."
Clone trooper: "Red leader, standing by."
There's a similar sequence in A New Hope where the pilots report in before the assault on the Death Star: "Red ten, standing by." "Red seven, standing by." "Red three, standing by." "Red six, standing by." "Red nine, standing by." "Red two, standing by." "Red eleven, standing by." "Red five, standing by." [1:45:26].
12:42 - Lee-Char (to Ahsoka): "Get us out of here!" In A New Hope, Han Solo also says this (to Chewbacca): "Chewie, get us outta here!" [55:26].
14:20 - Kit Fisto: "We seem to have won this round." Padmé uses this same phrase in The Phantom Menace, referring to the Trade Federation battle droids: "They win this round" [1:58:17].
16:49 - Captain Ackbar (to the Mon Calamari soldiers and clone troopers): "Steady, steady." In The Phantom Menace, Jar Jar also says this (but to the Gungan soldiers) [1:48:30].
18:37 - After running his mini-sub into a Hydroid Medusa, Kit Fisto smiles, like he does in Attack of the Clones:
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According to the Star Wars website, Riff Tamson, the shark-like Separatist commander in this episode, is a Karkarodon. This species name seems to be derived from καρχαρίας, the Greek word for shark.