Joyce finds out Katie has big plans for after the Spring Formal with her boyfriend, Anthony. In order to confirm what she thinks, however, Joyce has to promise Katie she'll keep her secret from Mel. Meanwhile, Mel has one final chance to have a successful first date with Allison and has promised to make her dinner. The only problem is that he has no clue how to cook. With both parents distracted, Runyen points out that Henry can get away with anything and should milk it for all it's worth.