“Commander Spock, we have located your son,” the Vulcan lady on the screen says, which would be great, except Jim can tell by the look on Spock’s face that he’s never heard of this kid before in his life. “If it is expedient, the child will be sent to join you on the Enterprise within the week.”

Spock assumes custody of T'Pring's orphaned son. Kirk offers to co-parent...