Teal'c and Ronan, the two ultimate warriors -- together in the same galaxy, on the same show, in the same episode, kicking ass and taking names.
But that's merely the high concept. That's merely how the episode is sold.
In fact it's the unstated contest of wills between the two archetypal warriors that makes the episode work so well, not merely the obvious contest of strength.
The real appeal of the episode, surprisingly, is in the dialogue between these two strong, silent types.