"The Orville" might come back with less tension on set, because 2 of its lead actors who were headed toward a vortex of divorce just steered back into orbit ... or so it seems.
Adrianne Palicki -- who plays Commander Kelly Grayson on the show -- recently requested to have her divorce petition against costar and real-life hubby Scott Grimes dismissed. She made the ask last week and on the same day ... a judge granted it.
That's a complete 180 from where things seemed to be heading just a short while ago -- when Adrianne filed for divorce after a measly 2 months of marriage. She and Scott tied the knot this past May, and in July ... she was already asking a court to let her out.