"On Old MacDonald's Special Song" is the first segment of the thirty-ninth episode of Special Agent Oso. It premiered on April 4, 2011 alongside "Snapfingers", and is the first segment of the fifteenth episode in the second season.
Plot
Oso is given a training mission from Professor Buffo to open a garage by pressing buttons on a keypad in a certain pattern. Oso tries remembering the pattern, but he presses all the buttons at once and gets launched into the air. He gets a special alert. A boy named Henry is having trouble playing "Old MacDonald" on the piano while his grandpa, Mel is taking a nap. So Oso decides to teach Henry how to play the song properly before his Aunt Stephanie comes over so he can play for her.
Trivia
- This is the first episode to air on Disney Jr., after the change of Playhouse Disney.
- In this episode Codename Backdrop #5 from "On Her Cousin's Special Salad" is played.
- The episode's title is a reference to the James Bond film On Her Majesty's Secret Service.
- Grandpa Mel was resting it's a reference of The Rugrats Movie.
- Grandpa Mel was voiced and modeled after the legendary voice actor Mel Brooks.