Who said anything about a reboot? A new series is fine. Universe got better with age and perspective. Atlantis was already solid when it was new. I wouldn't even mind a The Expanse/Stargate crossover where they turn out to be parallel universes. Stargate Universe already hinted at a new Big Bad that could be the one they're hinting at in The Expanse.

Unfortunately, reboots are what usually happens with developed shows. Stargate universe (not to be confused with Stargate Universe) has grown very large over the run of the TV shows, and more importantly, it evolved. By SG:Universe, Stargateverse looked much different than what it was when SG-1 started.

This creates a problem for future development - existing canon severely constraints the writers. Between writers complaining and executives looking to maximize the size of potential target audience, what usually happens is thus a reboot: the preexisting cannon gets dropped, but is often referenced to score cheap points with fans of the old show.

For reference, just look at what happened with Star Trek past its gold era (TNG-ENT).

I look at what happened and see a lot of good. I like Picard, Discovery, Lower Decks, and the reboot movies. Discovery found a way to reuse a lot of existing canon and essentially reboot it. I think it worked well. It took some time to get things moving in the right direction as all Star Trek series do, and the showrunner changes didn't help, but I look forward to what's next.

I'd love to see a reboot - in fact, I think it'd be the best way to repurpose & extend the premise & lore & themes.

The setup for SG1 was pure scifi gold, delivering all the frills fans could want:

• 'relatable 20thC/21stC person' space adventures-in-wonderland

• planets-of-the-week plus long arcs of discovery & tech-advancement

• galactic space opera & epic space wars that only sometimes risk Earth itself

• worldly intrigue referencing current politics/culture: evil Senators! human & alien conspiracies! Wormhole X-Treme!

But, eventually accumulated 'canon debt' & the frift of decades of real history makes new consistent stories that are equally relatable to the 2020s nearly impossible. Our heroes got pretty overpowered at times late in SG1 and SGA.

So, clean reboot! It worked great for BSG. Treat the whole past as a mythology to mine & remix, with winking fanservice rather than strained consistency & retcons. Give us some more Aschen & Tollan, Hebridans & Serrakin. Put some more vaguely-interesting unfolding pseudoscience behind the magic woo that dominated later storylines. Add some new mysteries to the gates, the gate network, & the gate-builders.

What's now possible with streaming prestige-series money, improved digital effects, & a smart full-universe paced master plan could be incredible.