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

On the next episode of ABC's THE MIDDLE titled "The Ditch", while waiting in line at the power company to pay a late bill and dressed in her lab coat for her new dental assisting job, people mistake Frankie for a doctor and let her cut in front of them so that she can finish her business quickly and get back to saving lives. But when one of those people shows up at Dr. Goodwin's (Jack McBrayer, "30 Rock," "Wreck It Ralph") office for a dental checkup, Frankie tries to keep up the charade, which leaves her new employer completely perplexed.

Meanwhile, Axl discovers that Sue has a perfect attendance record at school and convinces her to ditch a day to live life on the edge; Dr. Fulton (Dave Foley) tries to find out why Brick is so opposed to going to middle school; and Mike and Axl's fishing trip takes a turn for the worse when a distraction causes Mike to crash the boat he's towing, wedging it into a ditch, on "The Middle," WEDNESDAY, MAY 15 (8:00-8:30 p.m., ET) on the ABC Television Network. Get a sneak peek below!

"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 Jack McBrayer as Dr. Goodwin, Dave Foley as Dr. Fulton, Sam Lloyd as Mr. Walker, BROCK CIARLELLI as Brad Bottig, Brent Weinbach as Greg, Stephanie Drake as Sandra, Tammy Dahlstrom as Carrie and Derek Basco as delivery man.

"The Ditch" was written by Roy Brown and directed by Lee Shallat Chemel. 

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