Star Trek: Discovery
Season 02
S02E04 - An Obol For Charon
A living, intelligent, planetoid-sized Sphere pulls Discovery out of warp and immobilizes it. The crew surmises that the Sphere is well-intentioned and has gathered huge amounts of data from all over the galaxy that it does not want to be lost before it dies. However, the Sphere’s hold on Discovery triggers the Vahar’ai in Commander Saru, a fatal condition to his species, the Kelpiens. The Sphere transmits its information to the crew and dies, releasing Discovery so that it will not be caught in the ensuing explosion. Saru asks Burnham to help him prepare for his death by removing his threat ganglia, which sense danger. However, they fall out on their own and leave Saru healthy and living without the overwhelming fear his species is known for. Meanwhile, the parasite attaches itself to Tilly again, once again accessing her memories to communicate as a hallucination of May. The parasite claims Discovery has nearly destroyed its ecosystem by using its species’ mycelial network to jump through space with the spore drive. It then consumes Tilly, leaving no trace of her.
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