Low Notes was the 20th episode in Season 11 of Happy Days, also, the 253rd overall episode in the series. Written by Roger Garrett, the episode, which was directed by Jerry Paris, originally aired on ABC-TV on July 12, 1984.
Joanie tries to help one of her students who has a problem with drugs.
Joanie tries to help an angry fifteen year old girl kick a drug habit that threatens to get her kicked out of school.
- Did You Know...
- The title comes from the 1907 song "School Days" or "School Days (When We Were a Couple of Kids)" written by Will Cobb and Gus Edwards.
- Anson Williams, who plays the part of Potsie Weber, isn't credited, nor does he appear in this episode.
- Henry Winkler as Arthur "Fonzie" Fonzarelli
- Tom Bosley as Howard Cunningham
- Marion Ross as Marion Cunningham
- Scott Baio as Chachi Arcola
- Erin Moran as Joanie Cunningham
- Ted McGinley as Roger Phillips
- Elinor Donahue as Mrs. Broderick, Marta's mother
- Marta Kober as Jesse Broderick
- Lee Anthony as Nilton Broderick, Marta's father
- Rick Lantz as Attendant