The heroes of the Stargate franchise faced many foes while protecting the planet, with some posing more of a threat than others. Enemies from other galaxies come in all shapes and sizes, so there was no telling who teams like SG-1 would face next. Nakai, Goa'uld, Replicators, Wraith, and Ori—they all had unique powers and strengths that made them terrible forces to be reckoned with. Thankfully, the brilliant minds and brave fighters of Stargate Command always managed a way to stand up against them, but between Stargate SG-1, Stargate Atlantis, and Stargate Universe, it sometimes took all they had to take these powerful villains down.
