Polly Graph runs a hot chocolate and lemonade stand in town, and she is an expert on graphs and votes. She is good at helping Olive and Otto with conflicts, as shown in many episodes.
- 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.
- 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.
Oscar and the Oscar-Bots
O is Not for Old
Disorder in the Court
Now You Don't See Me
O is Not For Over
Odd Squad: The Movie