Star Trek: The Next Generation: Conspiracy Rewatch Season 1, Ep 25
When Picard's dearest friend alerts him to mysterious subversion at the highest levels of Starfleet, the Enterprise is the only thing standing between the Federation and an unstoppable new culinary trend that's perhaps best left vague here. (Warning: appetite spoilers.) [more inside]
Supergirl: Parasite Lost Season 4, Ep 5
The villain known as Parasite returns with Jensen as host. Alex adjusts to being under the command of Colonel Haley. Kara and Nia gets an exclusive interview with a prominent alien.
Farscape: Beware of Dog Rewatch Season 2, Ep 14
Chiana buys a parasite-hunting Vorc, which creates chaos on board Moya. After several attacks it is suspected that the Vorc itself may be the parasite.[via]