1. Underdog: Just In Case 1&2 / Klondike Kat: Honor At Steak / Tooter The Turtle: Mish Mash Mush

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. 3 October 1966. 17 min

Underdog: Just In Case 1&2 / Klondike Kat: Honor At Steak / Tooter The Turtle: Mish Mash Mush

2. Underdog: Just In Case 3&4 / Klondike Kat: Secret Weapon / Tooter The Turtle: Drafthead

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. 10 October 1966. 17 min

Underdog: Just In Case 3&4 / Klondike Kat: Secret Weapon / Tooter The Turtle: Drafthead

3. Underdog: The Marble Heads 1&2 / Klondike Kat: The Big Fromage / Tooter The Turtle: Quarterback Hack

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. 17 October 1966. 17 min

Underdog: The Marble Heads 1&2 / Klondike Kat: The Big Fromage / Tooter The Turtle: Quarterback Hack

4. Underdog: The Marble Heads 3&4 / Klondike Kat: Hard To Guard / Tooter The Turtle: Duck Hunter

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. 24 October 1966. 17 min

Underdog: The Marble Heads 3&4 / Klondike Kat: Hard To Guard / Tooter The Turtle: Duck Hunter

5. Underdog: Simon Says Be My Valentine 1&2 / Klondike Kat: The Candy Mine / The Hunter: Duck Hula Hoop Havoc

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. 31 October 1966. 17 min

Underdog: Simon Says Be My Valentine 1&2 / Klondike Kat: The Candy Mine / The Hunter: Duck Hula Hoop Havoc

6. Underdog: Simon Says Be My Valentine 3&4 / Klondike Kat: Rotten To The Core / Tooter The Turtle: Taxi Turtle

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. 7 November 1966. 17 min

Underdog: Simon Says Be My Valentine 3&4 / Klondike Kat: Rotten To The Core / Tooter The Turtle: Taxi Turtle

7. Underdog: Round and Round 1&2 / Klondike Kat: Trap Baiting / Tooter The Turtle: Kink Of Swat

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. 14 November 1966. 17 min

Underdog: Round and Round 1&2 / Klondike Kat: Trap Baiting / Tooter The Turtle: Kink Of Swat

8. Underdog: Round and Round 3&4 / Klondike Kat: Gravy Train / The Hunter: Frankfurter Fix

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. 21 November 1966. 17 min

Underdog: Round and Round 3&4 / Klondike Kat: Gravy Train / The Hunter: Frankfurter Fix

9. Underdog: A New Villain 1&2 / Klondike Kat: Cream Puff Buff / Tooter The Turtle: Tuesday Turtle

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. 28 November 1966. 17 min

Underdog: A New Villain 1&2 / Klondike Kat: Cream Puff Buff / Tooter The Turtle: Tuesday Turtle

10. Underdog: A New Villain 3&4 / Klondike Kat: Plane Food / Tooter The Turtle: Buffaloed Bill

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. 5 December 1966. 17 min

Underdog: A New Villain 3&4 / Klondike Kat: Plane Food / Tooter The Turtle: Buffaloed Bill

11. Underdog: Batty Man 1&2 / Klondike Kat: Banana Skinned / Tooter The Turtle: Snafu Safari

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. 12 December 1966. 17 min

Underdog: Batty Man 1&2 / Klondike Kat: Banana Skinned / Tooter The Turtle: Snafu Safari

12. Underdog: Batty Man 3&4 / Klondike Kat: Up a Tree / Tooter The Turtle: The Master Builder

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. 19 December 1966. 17 min

Underdog: Batty Man 3&4 / Klondike Kat: Up a Tree / Tooter The Turtle: The Master Builder

13. Underdog: The Vacuum Gun 1&2 / Klondike Kat: Pie Fly / Tooter The Turtle: Anti-Arctic

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. 26 December 1966. 17 min

Underdog: The Vacuum Gun 1&2 / Klondike Kat: Pie Fly / Tooter The Turtle: Anti-Arctic

14. Underdog: The Vacuum Gun 3&4 / Klondike Kat: Jail Break / Tooter The Turtle: Muddled Mountie

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. 2 January 1967. 17 min

Underdog: The Vacuum Gun 3&4 / Klondike Kat: Jail Break / Tooter The Turtle: Muddled Mountie