THE MIDDLE - "The Break Up" - Frankie and Mike are excited to discover that Axl has found the perfect girlfriend, Morgan (Alexa Vega, "Spy Kids," "Ruby & the Rockits"), and that he's in love. But just as they start to get used to his new, sunny outlook on life, Morgan does the unthinkable and breaks up with him, leaving Axl completely heartbroken. Meanwhile, Sue learns that she's not the greatest of baby-sitters when she's put in charge of watching Brick and freaks him out -- as well as herself -- by letting him watch a scary movie, on "The Middle," WEDNESDAY, MARCH 10 (8:30-9:00 p.m., ET) on the ABC Television Network. (ABC/ADAM TAYLOR) NEIL FLYNN, PATRICIA HEATON, EDEN SHER, ATTICUS SHAFFER