The Tates and Campbells gather to welcome Dutch to the family--and scare Millie away in the process. Billy and Leslie's romantic evening is interrupted by her ex. Jodie and Corinne discuss single parenthood. Alien Burt refuses to return to the spaceship. Real Burt finally contacts Mary, then disappears before her eyes. Back on the spaceship, Real Burt convinces the aliens to give him a chance to persuade Alien Burt to leave Earth for good.