1: Nature Cat Heartthrob Hamster

2: Nature Cat Astronuts

3: Nature Cat Muck Amok

4: Nature Cat Follow Those Footprints

5: Nature Cat Breezy Rider

6: Nature Cat Swamp Thing

7: Nature Cat The Treasure of Bad Dog Bart

8: Nature Cat Pet Sounds

9: Nature Cat Cave Conundrum

10: Nature Cat Daisy's Colossal Fossil

11: Nature Cat There's Gold in Them Thar Hills

12: Nature Cat Nature Cat and Mr. Hide

13: Nature Cat Where Have All the Butterflies Gone

14: Nature Cat For the Birdies!

15: Nature Cat Stream and Shout

16: Nature Cat Hal's Day Off

17: Nature Cat Tally Ho! A Rainbow

18: Nature Cat Travelin' Seeds

19: Nature Cat Ants Revolution

20: Nature Cat Tide Pool Tough

21: Nature Cat Hooray, It's Arbor Day

22: Nature Cat Goodnight Gracie

23: Nature Cat Love You, Michael Bluejáy

24: Nature Cat Ze Worm Whisperer

25: Nature Cat Happy Halentine's Day!

26: Nature Cat The Groundhog Way

27: Nature Cat Star Gazers

28: Nature Cat A Jump to Remember

29: Nature Cat Earth Day Today

30: Nature Cat Earth Day Every Day

31: Nature Cat Kingdom of Rotting Log

32: Nature Cat Can You Dig It?

33: Nature Cat Mud Love

34: Nature Cat Call It a Night

35: Nature Cat Woodpecker Picks a Place

36: Nature Cat Here Comes the Sun

37: Nature Cat The Great Grasshopper Race

38: Nature Cat Fall for Hal

39: Nature Cat Playground-Palooza

40: Nature Cat Small But Big

41: Nature Cat Slime Time

42: Nature Cat Rock Stars

43: Nature Cat Gimme Shelter

44: Nature Cat Goin' Batty

45: Nature Cat The Legend of Gold Gardens

46: Nature Cat Winter Dance Party

47: Nature Cat Ice Is Nice

48: Nature Cat Bird's Eye View

49: Nature Cat Runaway Pumpkin

50: Nature Cat Lady Bug Tough

51: Nature Cat Stop That Squirrel

52: Nature Cat Onward and Pondward

53: Nature Cat Appily Ever After

54: Nature Cat Sound Off

55: Nature Cat The Shell Game

56: Nature Cat Heron Food Blues

57: Nature Cat Spring Hunter 3000

58: Nature Cat The Case of the Missing Moon

59: Nature Cat Mighty Mountain Climbers

60: Nature Cat Bug Eating Plants!

61: Nature Cat The Flight of the Firefly

62: Nature Cat Thunderstruck

63: Nature Cat Plants Got the Moves

64: Nature Cat Magnet Mania

65: Nature Cat Return to Mighty Mountain

66: Nature Cat Welcome to the Vernal Pond

67: Nature Cat Ocean Commotion

68: Nature Cat The Queen of the Night

69: Nature Cat Space Rocks

70: Nature Cat Croak and Swagger

71: Nature Cat Puddle Pool Party

72: Nature Cat The Glow Games

73: Nature Cat Have a Grape Day

74: Nature Cat Flamingo-A-Go-Go

75: Nature Cat What a Tangled Web

76: Nature Cat The Shellersons

77: Nature Cat Only the Shadow Knows