Question

marlena: were going home. rodrigo: home? kirk: we have to get back to our own planet. rodrigo: your ... planet? marlena: (whispers) can you keep a secret? rodrigo: of course! kirk: (leans in to rodrigo) zepturn is our home. rodrigo: you mean ... its not a made - up place? kirk and marlena: (shaking their heads) nope. why does kirk say there will be no more episodes of star shuttle? he and marlena only have ten minutes left. he and marlena must return to their planet. he and marlena are bad at keeping secrets. he and marlena cannot take off in the shuttle.

Explanation:

In the dialogue, Kirk and Marlena state they are going home, indicating they must return to their planet. There is no mention of time - limits like ten minutes, nor any indication they are bad at keeping secrets or cannot take off in the shuttle.

Answer:

He and Marlena must return to their planet.