ABC has issued the press release for the fourth episode of The Middle's new season, "Risky Business", which airs October 14. Norm Macdonald reprises his role as Rusty, Mike's younger brother.

Risky Business – Frankie is completely gobsmacked when Mike’s brother Rusty pays an unexpected visit and offers him an opportunity to partner on one of his crazy business ideas — and Mike wants in. Meanwhile, Axl goes to extreme measures to prove to Mike that he can handle riding his dad’s new motorcycle; and unbeknownst to her parents, Sue tells Brad that her college roommate is so horrible that she’s resorted to living in her car, on “The Middle,” WEDNESDAY, OCTOBER 14 (8:00-8:30 p.m., ET) on the ABC Television Network.