Episode 1 - Heartthrob Hamster Episode 2 - Astronuts Episode 3 - Muck Amok Episode 4 - Follow Those Footprints Episode 5 - Breezy Rider Episode 6 - Swamp Thing Episode 7 - The Treasure of Bad Dog Bart Episode 8 - Pet Sounds Episode 9 - Cave Conundrum Episode 10 - Daisy's Colossal Fossil Episode 11 - There's Gold in Them Thar Hills Episode 12 - Nature Cat and Mr. Hide Episode 13 - Where Have All the Butterflies Gone Episode 14 - For the Birdies! Episode 15 - Stream and Shout Episode 16 - Hal's Day Off Episode 17 - Tally Ho! A Rainbow Episode 18 - Travelin' Seeds Episode 19 - Ants Revolution Episode 20 - Tide Pool Tough Episode 21 - Hooray, It's Arbor Day Episode 22 - Goodnight Gracie Episode 23 - Love You, Michael Bluejáy Episode 24 - Ze Worm Whisperer Episode 25 - Happy Halentine's Day! Episode 26 - The Groundhog Way Episode 27 - Star Gazers Episode 28 - A Jump to Remember Episode 29 - Earth Day Today Episode 30 - Earth Day Every Day Episode 31 - Kingdom of Rotting Log Episode 32 - Can You Dig It? Episode 33 - Mud Love Episode 34 - Call It a Night Episode 35 - Woodpecker Picks a Place Episode 36 - Here Comes the Sun Episode 37 - The Great Grasshopper Race Episode 38 - Fall for Hal Episode 39 - Playground-Palooza Episode 40 - Small But Big Episode 41 - Slime Time Episode 42 - Rock Stars Episode 43 - Gimme Shelter Episode 44 - Goin' Batty Episode 45 - The Legend of Gold Gardens Episode 46 - Winter Dance Party Episode 47 - Ice Is Nice Episode 48 - Bird's Eye View Episode 49 - Runaway Pumpkin Episode 50 - Lady Bug Tough Episode 51 - Stop That Squirrel Episode 52 - Onward and Pondward Episode 53 - Appily Ever After Episode 54 - Sound Off Episode 55 - The Shell Game Episode 56 - Heron Food Blues Episode 57 - Spring Hunter 3000 Episode 58 - The Case of the Missing Moon Episode 59 - Mighty Mountain Climbers Episode 60 - Bug Eating Plants! Episode 61 - The Flight of the Firefly Episode 62 - Thunderstruck Episode 63 - Plants Got the Moves Episode 64 - Magnet Mania Episode 65 - Return to Mighty Mountain Episode 66 - Welcome to the Vernal Pond Episode 67 - Ocean Commotion Episode 68 - The Queen of the Night Episode 69 - Space Rocks Episode 70 - Croak and Swagger Episode 71 - Puddle Pool Party Episode 72 - The Glow Games Episode 73 - Have a Grape Day Episode 74 - Flamingo-A-Go-Go Episode 75 - What a Tangled Web Episode 76 - The Shellersons Episode 77 - Only the Shadow Knows

Episode 1 - Moth Frolic-Fest Episode 2 - Dune Patrol Episode 3 - Stop and Hear the Cicadas Episode 4 - Cold-Blooded Episode 5 - Lights Out for Sea Turtles Episode 6 - Nature Art Episode 7 - Houston's Outdoor Adventure Episode 8 - Hotel Hal Episode 9 - Let's Talk Turkey Vulture Episode 10 - Prescription: Nature Episode 11 - Enter the Dragonfly Episode 12 - Water Woes Episode 13 - Garden Impossible Episode 14 - Agents of the Great Outdoors Episode 15 - The Return of Bad Dog Bart