kirk, Spock, and McCoy beam down to Sarpeidon to rescue inhabitants before it's sun explodes. But they arrive to find only the planets's librarian, who has helped all the others to safety via a time machine. When Kirk accidentally enters the past, Spock and McCoy attempt a rescue, emerging in it's bitter ice age! Spock, now a throwback to earlier Vulcan times, falls in love with a beautiful woman and has no intention of returning to Kirk or the Enterprise!
Box and cassette in very fine condition, box has minor shelf wear. Tape plays great. From private collection.