MARTIN AND LENA MUST DECIDE THE BEST WAY TO HOST THEIR SON'S UPCOMING BIRTHDAY PARTY BASED ON THEIR NEW CO-PARENTING APPROACH, ON ABC'S 'SPLITTING UP TOGETHER'

"Star of Milo" - Despite Lena and Martin getting along as co-parents, they must determine the best way to orchestrate Milo's upcoming birthday festivities based on their new system of boundaries. Meanwhile, Martin is pleasantly surprised when Lena shares a birthday invite with an unforeseen guest. Elsewhere, Maya takes matters into her own hands and reveals a surprise guest of her own, on "Splitting Up Together," WEDNESDAY, SEPT. 12 (9:31-10:00 p.m. EDT), on The ABC Television Network, streaming and on demand.

"Splitting Up Together" stars Jenna Fischer as Lena, Oliver Hudson as Martin, Bobby Lee as Arthur, Diane Farr as Maya, Lindsay Price as Camille, Olivia Keville as Mae, Van Crosby as Mason and Sander Thomas as Milo.

Guest starring are Geoff Pierson as Henry and Monica Barbaro as Lisa Apple.

"Star of Milo" was written by Ally Israelson, based on the Danish format by Mette Heeno, and directed by Morgan Sackett.

"Splitting Up Together" is broadcast in 720 Progressive (720P), ABC's selected HDTV format with a 5.1-channel surround sound. This episode carries a TV-PG, L parental guideline.