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Appearances
Numberblocks
Main cast, played by Marcel McCalla
- Episode 4x11: Twenty (Jul 8, 2019)
- Episode 4x12: Tall Stories (Jul 9, 2019)
- Episode 4x13: Flights of Fancy (Jul 10, 2019)
- Episode 4x14: I Can Count to Twenty (Jul 11, 2019)
- Episode 4x15: Heist (Jul 12, 2019)
- Episode 4x18: The Lair of Shares (Jul 17, 2019)
- Episode 4x21: Twenty One and On (Aug 5, 2019)
- Episode 4x22: We're Going on a Square Hunt (Aug 5, 2019)
- Episode 4x23: Thirty's Big Top (Aug 5, 2019)
- Episode 4x24: Land of the Giants (Aug 5, 2019)
- Episode 4x28: One Hundred (Aug 14, 2019)
- Episode 4x30: More to Explore (Aug 16, 2019)
- Episode 5x06: The Many Friends of Twenty (Mar 15, 2021)
- Episode 5x08: Twoland (Mar 17, 2021)
- Episode 5x09: Two Times Shoe Shop (Mar 18, 2021)
- Episode 5x10: Odd Side Story (Mar 19, 2021)
- Episode 5x12: Rectangle Racers (Mar 23, 2021)
- Episode 5x13: The Team Factor (Mar 24, 2021)
- Episode 5x14: Hidden Talents (Mar 25, 2021)
- Episode 5x17: Club Picnic (Jun 8, 2021)
- Episode 5x24: Four on the Floor (Jun 17, 2021)
- Episode 5x25: Sky High Fives (Jun 18, 2021)
- Episode 5x26: One Giant Step Squad (Jun 21, 2021)
- Episode 5x28: Heroes With Zeroes (Jun 23, 2021)
- Episode 5x30: 100 Ways to Leave the Planet (Jun 25, 2021)
- Episode S05 Special: About Time (Oct 31, 2021)
- Episode 6x14: Rockets and Rekenreks (Mar 18, 2024)