Happy Clam Day
Trivia
- Before the Guppies send the invitation to Sam, Deema starts dancing and singing "Happy Clam Day" in the style of the song "Yankee Doodle" from Mexico.
- Instead of saying "It's me, Molly!", Molly opens the episode with "I'm Molly!" for the second and final time.
- Voice director Maria Estrada makes the guest voice in this episode.
- Instead of saying "It's time for lunch!", Nonny says "Time for lunch!".
- Though it is reported that Tom Kenny, who is most known for voicing SpongeBob SquarePants, plays Sam in this episode, he is uncredited, even in additional voices.
- The Nickelodeon lightbulb logo and the laughing sound from the 2001 and 2008 split-screen credits logos instead of rebrand current logo from promotional material were used, since it was produced in 2009.
- This is the 1st episode of Season 1 in production code order.
- In Brazil, the lightbulb Got plastered By The 2009 logo.
- This episode was made in 2009.
- This episode is a reference to Percy's favorite job on the Island of Sodor, delivering the mail.
- This episode premiered on the same day as the Yo Gabba Gabba episode. Treasure.