Donna and Joe tie the knot, while April attempts to keep the wedding running smoothly. Ron creates an awkward situation between Tom and Lucy. Jen Barkley arrives at Ben and Leslie’s house with an interesting opportunity.

Ahmir-Khalib Thompson, Christie Brinkley, Ginuwine, Hal Williams, James M. Connor, Kathryn Hahn, Keegan-Michael Key, Natalie Morales, Rachel Dratch