Stigma (Star Trek: Enterprise)
List of Star Trek: Enterprise episodes
"Stigma" is the 40th episode (production #214) of the television series Star Trek: Enterprise, the 14th of the second season.
In the episode, it is revealed that Sub-commander T'Pol has a degenerative disease, Pa'nar Syndrome, contracted from her mind meld in "Fusion." She must face being ostracized by Vulcan society and losing her position on Enterprise.
Read more about Stigma (Star Trek: Enterprise): Plot, Pa'nar Syndrome, Production History