- Her name is a pun on the word polygraph, which is a lie detector. It also references her use of graphs in the show.
- One of her hobbies is learning to speak pigeon, though she's not very good at it.
- She makes an appearance in Odd Squad: The Movie which is her only appearance during season 2.
- During the Odd Squad Movie, it is shown that Polly houses the entrance to a secret underground passage to the Odd Squad Headquarters that was dug by Ms. O.
- She has a keen eye for quality, and can be seen embellishing even the simplest plate of lemons.
- She likes pink. A lot.
- She lives at 20 Main Street.
- "Pilot" (non-canon)
- "Zero Effect" (debut)
- "Skip Day"
- "Oscar and the Oscar-Bots"
- "Trading Places"
- "Bad Lemonade"
- "O is Not for Old"
- "Captain Fun"
- "Disorder in the Court"
- "Now You Don't See Me"
- "O is Not For Over"
- "Odd Squad: The Movie" (Season 2)
- ''Raising the Bar'' (portrait cameo)
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