End Of The Roadodd Squad : Season 3 Episode 20 -

" End of the Road " is the of the PBS Kids series Odd Squad , serving as a two-part mid-season finale that originally premiered on January 22, 2021 .

: This episode marks the permanent departure of Agent Opal from the Mobile Unit. End of the RoadOdd Squad : Season 3 Episode 20

In this episode, the Mobile Unit is sent to Australia to stop a villain known as "," who is revealed to be Agent Opal's younger sister, Olizabeth . The plot centers on the group's efforts to prevent world-wide oddness using patterns and coordinate mapping . Plot Summary " End of the Road " is the

: Mathematical concepts of coordinate mapping and identifying patterns . The plot centers on the group's efforts to

The full cast includes the main Mobile Unit agents and several returning characters: as Agent Opal Alyssa Hidalgo as Agent Orla Gavin MacIver-Wright as Agent Oswald Jayce Alexander as Agent Omar Millie Davis as The Big O Zarina Rocha as The Shadow (Olizabeth) Toni Collette as The Sand Queen Geneva Phan as Agent Orana George Holahan-Cantwell as Oliver Michela Luci as Agent Orchid Key Details