|The Problem with Pentagurps|
|Season 3, Episode 27a|
|Air Date||December 31, 2021|
|"Ahead of the Times"||"Three Portals Down"|
For the Season 1 episode of a similar name, please see The Trouble with Centigurps.
The Odd Squad Mail Department is overrun with Pentagurps, so the Mobile Unit comes in to help before it is shut down.
- This episode premiered on CBBC in the UK on October 27, 2021.
- This episode will premiere in the US as part of PBS Kids Family Night for the weekend of December 31, 2021.