Logline
A shuttle accident leads to Spock’s Vulcan DNA being removed by aliens, making him fully human and completely unprepared to face T’Pring’s family during an important ceremonial dinner.
Written by Kathryn Lyn & Henry Alonso Myers
Directed by Jordan Canning
To be fair, Sybok was the original spontaneous Spock sibling, even though Star Trek V was chronologically later.