THE MIDDLE - "Foreign Exchange" - Frankie convinces Mike and the kids that the Heck family should host a foreign exchange student from Japan to expose him to life in an average American family. But the Hecks become frustrated when the student shows no sign of interest whatsoever in the family, on "The Middle," WEDNESDAY, OCTOBER 20 (8:00-8:30 p.m., ET) on the ABC Television Network. (ABC/MICHAEL ANSELL) CHARLIE MCDERMOTT