This is by no means exhaustive. I'm sure I missed a bunch of Easter eggs and things like that, but I picked a few things to share some thoughts.
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Hey, look! It's some Mandalorians! Maybe they're important. Maybe they're cannon fodder. The important thing is that they'll be available exclusively at Target sometime in 2024.
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Even more Mandalorians? They should rename this show the Mandalorians! So what's the difference between the classic 'T' shaped visors and the more avian 'Y' shaped ones? I liked how the visors would change shape in some of the old Marvel comics to simulate facial expressions, so I assume the Note Owls are all just a little bit angry.
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Greef Carga gets a little bit more fancy each season. In a few years he's going to be dressed like Cher at the 1988 Oscars. I hope Hasbro resists the urge to make this figure and gives us his season 1 outfit instead. Also, that C-3PO looks like it's got a weird head. Is that just the lighting?
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Next up we have a shot of Mando's new N1 Fighter, but there's now an R5-style droid next to Grogu's bubble? I know some viewers are really excited to see the liberation of Mandalore or whatever, but my primary interest in season 3 right now is to see how they manage this? There's no extra droid port, so is that poor droid just tied to the fuselage in the rain like Aunt Edna?
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Now that's the proper way to put a droid in a starfighter. If Hasbro does, as expected, retool the 2012 N1 Fighter, the droid socket may or may not still be usable. Obviously, we'll all complain and pass on the ship if it's not.
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Man... How come Hasbro doesn't make droids anymore? For me, this is the money shot of the trailer. A Droid bar? Count me in. I love the CZ-droid in the back. Those guys always look depressed anyway. I don't think this is the cantina, unless it's been heavily remodeled, but we see what appears to be another EV bartender. Is that what those droids are actually for, and Jabba turned one into some kind of weird torture concierge?
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OK, I don't know nothin' about no cartoons (Except Star Wars: Droids), but is this supposed to be Sabine? The helmet colors look right to me, but also I'm terrible at matching colors- though not nearly as bad as Mr. Nomadscout. Anyway, I don't think any of the other costume details match. Is the guy on the ground a Pote Snitin? I know that's not the species name, but I'm too lazy to look it up.
So that's what I got. We've got a couple of months until we get to the good stuff. Maybe this time next year Hasbro will announce some figures from this trailer.