Nope - "Star Trek: The Next Generation"! The episode is called 'Darmok' and you can find a full summary here Darmok
Short version, the phrase 'Darmok and Jalad at Tanagra' is used by the aliens in the episode to signify a friendship forged in battle against a common foe. Something we should all be doing right now!
Among my many other shortcomings, I am a geek, a nerd and a fanfiction writer. I have little time for Star Wars - beyond the original trilogy - and a limited tolerance for Star Trek, but am a dyed-in-the-wool Whovian. I also play video games, which I am told is a terrible thing to do at 62.
Can you forgive me?