FRANKIE ATTEMPTS TO HELP A SOCIALLY INEPT BRICK MAKE FRIENDS ON A SCHOOL FIELD TRIP, AXL TRIES TO IMPRESS DEVIN BY PRETENDING THAT HE AND SUE ARE THE BEST OF FRIENDS, AND MIKE THINKS HE MAY BE RESPONSIBLE FOR TURNING HIS BROTHER RUSTY INTO THE HAPLESS MAN HE IS TODAY, ON ABC'S "THE MIDDLE"

Norm MacDonald Guest Stars as Mike's Brother Rusty

Dave Foley Guest Stars as Dr. Fulton

"Operation Infiltration" - Frankie accompanies Brick on a school field trip and attempts to help her socially inept son make friends with a couple of boys. Meanwhile, when Devin scolds Axl for being mean to his sister, he tries to make it look like they are the best of friends when Sue spends the weekend at his house; and while trying to thin out some of their hoarding father's massive stockpile of junk, Mike gets a sinking feeling that he may have bullied his brother Rusty (Norm Macdonald) a bit too much as kids and turned him into the hapless man that he is today, on "The Middle," WEDNESDAY, AUGUST 5 (8:00-8:30 p.m., ET) on the ABC Television Network. Rebroadcast. OAD: 4/1/15)

"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 Norm Macdonald as Rusty, Dave Foley as Dr. Fulton, John Gammon as Darrin, Beau Wirick as Sean Donahue, Gia Mantegna as Devin Levin, Irene White as Joyce, Tommy Bechtold as Kenny, Samuel Gilbert as Parker, Marypat Farrell as mom and Skyler James as Dante.

"Operation Infiltration" was written by Ilana Wernick and directed by Melissa Kosar.

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

For more information on "The Middle," visit ABC.com/TheMiddle