[ENT] Season 4, Episode 14: The AenarRating: 3
The secret Romulan arc comes to a close, and we learn more about the Andorians. Like the Romulans, Andorians have a mostly secret sub-species living on their planet called the Aenar. Unlike the Remans, the Aenar are way less monstrous and murder-y. The episode has interesting characterizations of the various groups and how the work together or against each other, and it wraps up the arc nicely.
Read more at Memory Alpha
Notes:

Shran doesn’t have great balance after losing one of his antennae and gets a legitimately gross injury.

On Enterprise, they build a device to communicate with the Aenar pilot, as long as they get another Aenar to help
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