The return of the real-life Captain Kirk and his crew in earlier adventures.
Today: Wolf in the Fold
Caught red-handed beside savagely-slain victims, the misogynous Chief Engineer of the Enterprise seems to have taken his aversion to the fair sex too far. If he is to go Scott-free, his captain must isolate the evil spirit that has actuated such spasms of slaughter through the ages.
Tomorrow: The Changeling