I liked this episode! Although one thing that irked me was “deuterium poisoning.” Deuterium is just a hydrogen isotope; is breathing it actually poisonous? It felt like the writers didn’t realize it wasn’t a fake substance like duranium.

Also I suspected the hallucinations were coming from aliens in the nebulae because the deuterium collection was harming them pretty early on. Definitely feels like a classic Trek story though!

Also, seeing Hemmer again resurfaced my disappointment that they killed him off! He was one of my favorite characters in the first season. When they showed the flashback of his death in the episode intro, I was hoping they were going to revive him somehow in this episode, haha. I’m still holding out hope that he didn’t actually die but survived the fall and has been surviving on the ice planet (since he is Aenar after all). Unfortunately, I guess they already used the “left behind a crew member assumed KIA” with Zac Nguyen so I doubt this will happen.