Orla thought she was the only ancient Agent left. However, when a distress call comes through, it becomes clear that she was wrong.Source: CBBC
Series 2: 70. Who Is Agent Otis? Part 2
Olympia discovers a secret about her partner.\n\nCurriculum: Charts, line graphs, data analysis and collection.
Series 2: 69. Who Is Agent Otis? Part 1
62. Undercover Olive Part Two
Series 2: 68. The Scientist
Oona gets zapped into an alternate dimension.\n\nCurriculum: Place value, number operations.
Series 2: 67. Saving Agent Orson
The agents try and stop baby Agent Orson from getting kicked off the squad.\n\nCurriculum: Using bar graphs, pie charts and Venn diagrams to sort, classify and analyse data.
61. Undercover Olive Part One
Series 2: 66. The World Turned Odd, Part Two
Oona, Olympia and Otis accidentally change the past, undoing every case they've ever solved.\n\nCurriculum: 3D shapes, sound, color, shape, letter and number patterns, skip ...
60. Worst First Day Ever
Series 2: 65. World Turned Odd, Part 1
When Oona, Olympia and Otis accidentally change the past, they undo every odd case the Odd Squad have ever solved.\n
59. No Ifs, Ands, Or Robots
Series 2: 63. It Takes Goo To Make A Feud Go Right
Olympia and Otis are tasked with calling a truce between feuding guests.\n\nCurriculum: Using a Venn Diagram, 3D shapes: spheres and cubes
Series 3: 22. Music Of Sound, Part 2
The Mobile Unit must convince Soundcheck to get back together again.
Series 3: 24. Villain Networking
The Shadow tries to convince villains to join her Villain Network.
Series 4: 26. Odd Together Now, Part 2
In this two-part season finale, the Odd Squad Mobile Unit must stop a group of villains who want to break into Odd Squad Headquarters to steal an ancient artifact. Little do the ...
Series 4: 8. Nature Of The Sandbeast
Dr Dry has stolen the Sandbeast’s golden egg. It will only be a matter of time before the Sandbeast covers the world in sand.
Series 3: 20. Slow Your Roll, Part 2
A mysterious villain named The Shadow takes control of the Mobile Unit van.
16. Ms O Uh-oh
Series 2: 41. Breakfast Club
The Odd Squad investigates strange events. Delivery Debbie goes undercover to stop a group of villains.
Series 3: 16. Overdue!
Orla is kicked off the Squad for having an overdue library book.