Conflict between two species who petition for membership in the Federation turns out to be the B-plot. On its way past a mysterious optical special effect, the Enterprise picks up a strange glowing spark via the sensor array, and as such entities tend to do in Star Trek, it starts wreaking havoc. We get a lot of exterior shots of the ship, some alien character designs that would have worked better in background shots, a glimpse at a sensor relay room we’ve never seen before (though it’s pretty obviously a redress of Engineering), and some glimpses of the Crushers at home.
The credit at 0:30 should read “Carolyn Jerz.” (She’s used to people spelling it “Caroline”.)
It takes some visits from three scary spirits on Christmas Eve, who lead him through his Past, Present and Future, to convince him to mend his ways. Scrooge recognizes his faults and greets Christmas morning with a cheerful “Happy Christmas” before spending the day reconnecting and sharing love with those who mean the most to him. As we all know, it all works out in the end and Tiny Tim…
Would love to teach it to healthcare students someday.