With the possible exception of the Ori, the villains in SG-1 weren't usually the "like the last one, but MORE POWERFUL" villain trope we see in most series. An

With the possible exception of the Ori, the villains in SG-1 weren't usually the "like the last one, but MORE POWERFUL" villain trope we see in most series. And the evolution of the replicants... that was a complicated adversary. Also, golfing through the Stargate.