3:25 - Cad Bane looks at a hat like Indiana Jones':
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7:44 - Some of the panels in the background have the same hexagon pattern that's also seen in the homestead garage in Attack of the Clones and A New Hope:
9:02 - Obi-Wan (as Hardeen) reaches up to his bound feet to use the Force to release them. There's a similar shot in The Empire Strikes Back where Luke reaches up in a vain attempt to free his own bound feet [9:01]:
12:49 - Cad Bane (about Hardeen's suggestion to split Eval's reward fifty-fifty): "Over my dead corpse."
Hardeen: "Don't tempt me."
There's a similar exchange in A New Hope. After Greedo tells Han Solo that Jabba may take his (Han's) ship, Han says, "Over my dead body" to which Greedo replies, "That's the idea" [50:42].
16:31 - Moralo Eval: "Who sells a ship with only enough fuel to get to this lousy rock?" In A New Hope, Luke also disdainfully calls a planet a rock; after C-3PO asks if there's anything he can do to help, he replies, "Not unless you can alter time, speed up the harvest, or teleport me off this rock" [19:58].
19:47 - Anakin: "You're going to pay for what you did."
Hardeen: "You shouldn't have gotten involved."
There are two similarities here. In Attack of the Clones, Anakin says almost the same thing: "You're gonna pay for all the Jedi that you killed today, Dooku" [2:04:51], and in A New Hope, Obi-Wan uses the same expression when he tells Luke, "He [Luke's uncle] didn't hold with your father's ideals, thought he should have stayed here and not gotten involved" [32:42].
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Moralo Eval's armor is similar to that of General Veers, Dengar, and the snowtroopers:
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The helmet that Hardeen wears is based on a piece of Ralph McQuarrie concept art for Boba Fett:
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It's even mentioned specifically in this video: