Robot heroes in training Elmo, Cookie Monster, and Abby Cadabby use their STEM superpowers to solve wacky larger-than-life problems.
You can now watch Mecha Builders online on the following streaming providers in the United States.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | They Sent Us a Pie | 2022-04-30 | min |
| Season 1 | Episode 2 | Dust in the Wind | 2022-04-30 | min |
| Season 1 | Episode 3 | Mecha Builders Pull Together | 2022-05-09 | min |
| Season 1 | Episode 4 | Lift Up and Lift Off | 2022-05-09 | min |
| Season 1 | Episode 5 | That Old Time Rock Rolls | 2022-05-09 | min |
| Season 1 | Episode 6 | Make Like A Banana and Split | 2022-05-09 | min |
| Season 1 | Episode 7 | Magnet Mayhem | 2022-05-09 | min |
| Season 1 | Episode 8 | Stop That Train | 2022-05-09 | min |
| Season 1 | Episode 9 | Picture Perfect Park Party | 2022-05-09 | min |
| Season 1 | Episode 10 | Sun Block | 2022-05-09 | min |
| Season 1 | Episode 11 | Roll Chickens Roll | 2022-05-16 | min |
| Season 1 | Episode 12 | Ramp Up, Up, and Away | 2022-05-16 | min |
| Season 1 | Episode 13 | Yip Yip Book Book | 2022-05-16 | min |
| Season 1 | Episode 14 | Stick To It | 2022-05-16 | min |
| Season 1 | Episode 15 | The Treasure Of Treetop Woods | 2022-05-16 | min |
| Season 1 | Episode 16 | Zee Makes an Amazing Maze! | 2022-05-16 | min |
| Season 1 | Episode 17 | That's The Way The Windmill Blows | 2022-05-16 | min |
| Season 1 | Episode 18 | Mecha Machine Makers | 2022-05-16 | min |
| Season 1 | Episode 19 | The Need for Feed | 2022-05-16 | min |
| Season 1 | Episode 20 | The Zipline Sisters of Treetop Woods | 2022-05-16 | min |
| Season 1 | Episode 21 | The Whatsacallit of Treetop Woods; | 2022-08-29 | min |
| Season 1 | Episode 22 | Nat in the Dark! | 2022-08-29 | min |
| Season 1 | Episode 23 | Let's Get Rolling! | 2022-08-30 | min |
| Season 1 | Episode 24 | A Bit of a Stretch! | 2022-08-30 | min |
| Season 1 | Episode 25 | Moo-ving Day! | 2022-08-31 | min |
| Season 1 | Episode 26 | Follow That Breeze | 2022-08-31 | min |
| Season 1 | Episode 27 | Cross That Bridge | 2022-09-01 | min |
| Season 1 | Episode 28 | Knock Knock! Who's There? | 2022-09-01 | min |
| Season 1 | Episode 29 | The Pinecone Palooza | 2022-09-02 | min |
| Season 1 | Episode 30 | Big Footed Cave Bird | 2022-09-02 | min |
| Season 1 | Episode 31 | Yip Yip Tree Tree | 2022-12-05 | min |
| Season 1 | Episode 32 | TheSnowman Scarecrow | 2022-12-05 | min |
| Season 1 | Episode 33 | All Mechas on Deck | 2023-01-16 | min |
| Season 1 | Episode 34 | Where There's A Wheel, There's A Way | 2023-01-16 | min |
| Season 1 | Episode 35 | Silly Hat Catastrophe! | 2023-01-17 | min |
| Season 1 | Episode 36 | Zee In A Bottle | 2023-01-17 | min |
| Season 1 | Episode 37 | MacBarm's Day Off | 2023-01-18 | min |
| Season 1 | Episode 38 | Playhouse Problems | 2023-01-18 | min |
| Season 1 | Episode 39 | Can't Stop the Martians | 2023-01-19 | min |
| Season 1 | Episode 40 | Best Nest Test | 2023-01-19 | min |
| Season 1 | Episode 41 | Get in Gear | 2023-01-20 | min |
| Season 1 | Episode 42 | Free-Wheelin' Ferris Wheel | 2023-01-20 | min |
| Season 1 | Episode 43 | The Escaping Cows of Sunny Field Farm | 2023-09-11 | min |
| Season 1 | Episode 44 | Measure for Measure | 2023-09-12 | min |
| Season 1 | Episode 45 | The Legend of Jack O'Lantern | 2023-09-13 | min |
| Season 1 | Episode 46 | The Mecha T-Rex | 2023-09-14 | min |
| Season 1 | Episode 47 | Special Delivery | 2023-09-15 | min |
| Season 1 | Episode 48 | Super Duper Sled Slide | 2023-11-20 | min |
| Season 1 | Episode 49 | The Case of the Missing Crystal Pinecone | 2023-11-21 | min |
| Season 1 | Episode 50 | The Pretty Big Thing | 2023-11-22 | min |
| Season 1 | Episode 51 | Sticky Space Race | 2023-11-23 | min |
| Season 1 | Episode 52 | The Big Ice | 2023-11-24 | min |
