Sneak Peek: 'Up All Night'

Let's be real -- while Chris and Reagan's romance is the heart of Up All Night, Eva and Reagan's lady-mance is funnybone that constantly keeps my belly aching.

MORE: Will Arnett talks Up All Night

This Wednesday gives both pairs time to shine as Reagan's parents (played by Blythe Danner and Richard Schiff) come to town creating hell at home, while work is no better as a crew member dies, driving Ava to reevaluate her co-worker relations out of fear that she too may die suddenly.

ETonline has an exclusive sneak peek at Wednesday's episode -- one that shows you why a lady named Jeanine is about to become crucial to Up All Night!

Up All Night airs Wednesdays at 8 p.m. on NBC.