Bar Trek: The Next Generation. Episode 4: Sore Leave

[Kamog]

Another really bad one was the one where Spock is overcome by urges and he has to return to Vulcan. It turns out that Vulcans live in a rather primitive way on their planet even though they are supposed to be so advanced technologically. Spock and Kirk have to go through this ritual combat to the death, and there's the usual unconvincingly dramatic fight scene.