[ENT] Season 3, Episode 13: Proving Ground
The Andorians are cool!
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Read more at Memory Alpha
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Notes:

Shran shows up and helps Enterprise. Archer and T’Pol are a little curious about his motives. He says that what’s really weird is that no one else has helped Enterprise, mentioning that the Vulcans couldn’t even give one officer in support (referring to T’Pol). Hey, that’s a good point.

But the Andorians want it for themselves. It was really obvious they were up to something. It would’ve been cool if they really were just there to help. His cover story made sense.

Shran breaks the news to Archer, that the Andorians are gonna need to keep the weapon. Talas sabotaged Enterprise’s sensors so the Andorians could get away

But Reed saw the sabotage coming! Archer says he has the command code to blow up the weapon, so Shran should probably let it go

The weapon blows up and the Andorians fly away, but Shran secretly sends Archer the information the Andorians managed to get on the weapon before it blew up.
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