Heather and Tim enlist Clementine's unusual parents, Mary-Lynn (Megan Mullally) and Spencer (Nick Offerman), to help convince Clementine and Tyler to annul their unexpected marriage. Also, Tommy moves in with Colleen, to the chagrin of her roommate, Dougie (Fortune Feimster); John and Joan run into "complications" after John takes the wrong dose of his daily pill; and Jen and Greg keep a secret from the family.