Season 1

1. The Plushie Collection/The Bouncy Ball Collection

2. The Fake Mustache Collection/The Lint Dinosaur Collection

3. Lemons!/The Butterfly Collection

4. Whole Lotta Lotta/Leaf it to Carl

5. The Tool Collection/The Stick Collection

6. The Fall/The Word Collection

7. The Remote Control Collection/The Super Blue Moon Sleepover

8. A Forrest of Plans/The Marble Collection

9. The Magic Trick Collection/Listen Coach

10. The Sticker Collection/The Baby Stuff Collection

11. The Puffball Collection/The Bottle Cap Collection

12. A Wiggle Waggle Worries/The Pine Cone Collection

13. The Autograph Collection/the Rope Collection

14. A Collection to Get Rid Of; The Button Collection

15. Rhythm Blues/Giving Up the Ship

16. Twin Sister Hamster Sitters Incorporated/The Sneaker Collection

17. The Gratitude Collection/The Pet Rock Collection

18. The Artifact Collection/Mothership Day

19. The Lost Yo-Yo/Rainy Day

20. A New Friend/Lotta the Copycat

21. The Potato Collection/Nico and the Nutty Buddies

22. The Green Piece/The Fuzzyworld Book of Records

23. A Fuzzytown Halloween

24. The Crayonverters Collection/Lotta's New Instrument

25. The Meltdown/Carl's Cast

26. The Sweater Collection/New Bus Stop

27. Show And Smell/The Campfire Conundrum