VIDEO: Sneak Peek - '30 Rock's Jack McBrayer Guests on THE MIDDLE

Jack McBrayer ("30 Rock," "Wreck It Ralph") guest stars as a potential employer for Frankie on tonight's episode of THE MIDDLE titled "Dollar Days". Get a first look below!

After successfully graduating from dental assisting school, Frankie attempts to interview for a job but discovers that, when asked about herself, she doesn't quite know how to describe who she is. Meanwhile, when Axl gets his band their first paying gig at the Orson Dollar Days, Sue becomes a 'Yoko' to boyfriend Darrin's 'John' and begins to offer unwanted advice to the group; and when Brick informs Frankie and Mike that he has joined the Prairie Scouts, Mike ends up reluctantly having to lead his quirky troop's camping trip. Jack McBrayer ("30 Rock," "Wreck It Ralph") guest stars as Dr. Goodwin, who interviews Frankie for a possible job, on "The Middle," WEDNESDAY, APRIL 10 (8:00-8:30 p.m., ET) on the ABC Television Network.

"The Middle" stars Patricia Heaton as Frankie, Neil Flynn as Mike, Charlie McDermott as Axl, Eden Sher as Sue and Atticus Shaffer as Brick.

Guest starring are Marsha Mason as Pat Spence, Jack McBrayer as Dr. Goodwin, Jim Beaver as Eddie Stokes, BEAU WIRICK as Sean Donahue, John Gammon as Darrin, Katherine Von Till as counselor, Mason Cook as Corey, Andrew J. Fishman as Zack, Aidan Potter as Scott, Bruce Hurless as Henry, Jake Netter as Theo, Melissa Denton as instructor and Stuart Allan as sleeping kid.

"Dollar Days" was written by Jana Hunter & Mitch Hunter and directed by Phil Traill.