Here's how else you could have Kirk's dad appear without time travel.
Have "The Ultimate Computer" be the thrust of the plot. Except instead of just Daystrom's personality, the M-5 also incorporates Kirk's dad, Pike, and others into its insane personality. And there's a holographic interface, which manifests to characters as various people from their lives.
Have "The Ultimate Computer" be the thrust of the plot. Except instead of just Daystrom's personality, the M-5 also incorporates Kirk's dad, Pike, and others into its insane personality. And there's a holographic interface, which manifests to characters as various people from their lives.