♫ Nice is good, mean is bad Don't be mean 'cause mean is bad Nice is better than mean ♫
[As Lois walks into the boys' room, they are all singing:]
Boys: [sing] Hugs are good Thugs are bad Don't be a thug 'cause thugs are bad Hugs are better than thugs
[Lois closes the door]
Reese: Did you see that?
Dewey: Hooray!
Malcolm: Francis is a genius! Come on! Sing louder!
Boys: [sing] Nice is good, mean is bad Don't be mean 'cause mean is bad Nice is better than
Lois: [holding a video camera] Oh, your grandmother and all your friends are just going to love this at your next birthday party.