|Disc No :
|First Aired :
||3 Nov 1999
|Guest Cast :
||Tuvok draws the cloaking frequency on a cake. But he doesn't draw any scale, without which the whole thing is useless.
|Great Moment :
||The illumination of the Ba'Neth afterimage is a spooky scene.
|Body Count :
||Naroq appears to be a tip of the hat to Fox Mulder of the X-Files.
||"The Vulcan brain; a puzzle wrapped inside an enigma housed inside a cranium." - the EMH; on Tuvok
When Tuvok is attacked by a mysterious invisible alien, he wakes with no memory of his former self. As Voyager searches for the assailant, Neelix must care for a most un-Vulcan Vulcan.