The Enterprise is on course to install new equipment on Memory Alpha, the central library storage facility for the Federation. Chief Engineer Scott has been working closely on the project with Lieutenant Mira Romaine with whom he has been forming a romantic attachment. The Enterprise encounters a space storm that kills the staff at Memory Alpha and possesses Lieutenant Mira Romaine. Written by
Did You Know?
This episode was co-written by Shari Lewis
and her husband Jeremy Tarcher
. Lewis also lobbied to be cast in the guest role of Lt Romaine, but didn't get the part. See more
When Spock is monitoring and increasing pressure in the pressure chamber, at one point the level is shown as "20 atmospheres." The next view of the gauge shows 30 A's, but the shot after that is back to 25 A's when it is supposed to be a constant increase. See more
That is tape deck 'D' - brain circuitry pattern of Lt. Mira Romain.
Gentlemen, is also happens to be tape 'H' - the impulse tracking obtained from the alien life units.