Head Band is the first part of the 5th aired and 4th produced episode in season 4 of Dexter's Laboratory, which first aired on May 16, 2003. In this episode, Dee Dee gets the Boy Band Virus, which causes everyone to sing what they say, stuck in her ear. Dexter tries to get rid of it, but he and Mom end up catching it as well.
The song that Dee Dee was singing has a similar melody to the verse section in Steve Perry's 1984 song Oh Sherrie.
The song also has a similar melody to the first section of Night Ranger's 1983 song Sister Christian.
Dexter does not mention Mee Mee and Lee Lee in this episode.