| Title | Episodes | Country | Year | Notes |
| A.E.I.O.U. | 14 | Italy | 1977 | |
| Adamo: L'acqua è vita | 26 | Italy | 1977 | |
| The All-New Super Friends Hour | 15 | US | 1977 | Spin-off of Super Friends |
| Angie Girl | 26 | Japan | 1977–1978 | [1] |
| Arrow Emblem: Hawk of the Grand Prix | 44 | Japan | 1977–1978 | |
| Attack on Tomorrow! | 23 | Japan | 1977 | |
| Les Aventures de l'Energie | 13 | France | 1977 | [2] |
| Baggy Pants and the Nitwits | 13 | US | 1977 | |
| Balatack | 31 | Japan | 1977–1978 | |
| The Batman/Tarzan Adventure Hour | 52 | US | 1977–1978 | Package series |
| Blast-Off Buzzard | 13 | US | 1977 | Segment on CB Bears. |
| Captain Caveman and the Teen Angels | 40 | US | 1977–1980 | Originally aired as part of Scooby's All-Star Laff-A-Lympics |
| CB Bears | 13 | US | 1977 | |
| Cho Supercar Gattiger | 26 | Japan | 1977–1978 | |
| Chōgattai Majutsu Robo Ginguiser | 26 | Japan | 1977 | |
| Dinosaur War Izenborg | 39 | Japan | 1977–1978 | |
| The Flumps | 13 | UK | 1977 | |
| Fred Flintstone and Friends | 16 | US | 1977–1978 | Television package consisting of The Flintstone Comedy Hour, Goober and the Ghost Chasers, Jeannie, The Partridge Family in Outer Space, The Pebbles and Bamm-Bamm Show, and Yogi's Gang. |
| Gekisō! Rubenkaiser | 17 | Japan | 1977–1978 | |
| The Gublins | 13 | UK | 1977 | |
| Heyyy, It's the King! | 13 | US | 1977 | Segment on CB Bears. |
| Hungarian Folk Tales | 100 | Hungary | 1977–2011 | |
| Hyōga Senshi Gaislugger | 20 | Japan | 1977 | |
| I Am the Greatest: The Adventures of Muhammad Ali | 13 | US | 1977 | |
| Invincible Super Man Zambot 3 | 23 | Japan | 1977–1978 | |
| Ippatsu Kanta-kun | 53 | Japan | 1977–1978 | |
| Jetter Mars | 27 | Japan | 1977 | |
| A kockásfülű nyúl | 26 | Hungary | 1977–1979 | |
| Laff-A-Lympics | 24 | US | 1977–1978 | Originally aired as part of Scooby's All-Star Laff-A-Lympics. |
| Ludwig | 25 | UK | 1977 | |
| Lupin the 3rd Part II | 155 | Japan | 1977–1980 | |
| Manga Ijin Monogatari | 46 | Japan | 1977–1978 | |
| Manga Nihon Emaki | 46 | Japan | 1977–1978 | |
| Mechander Robo | 35 | Japan | 1977 | |
| Monarch: The Big Bear of Tallac | 26 | Japan | 1977 | |
| The New Adventures of Batman | 16 | US | 1977 | |
| The New Archie and Sabrina Hour | 13 | US | 1977 | Spin-off of The Archie Show and Sabrina the Teenage Witch. |
| Nobody's Boy: Remi | 51 | Japan | 1977–1978 | |
| La Noiraude | 61 | France | 1977 | |
| Oma Bitte Kommen | | West Germany | 1977 | |
| Ore wa Teppei | 28 | Japan | 1977–1978 | |
| Posse Impossible | 13 | US | 1977 | Segment on CB Bears. |
| Rascal the Raccoon | 52 | Japan | 1977 | |
| The Robonic Stooges | 32 | US | 1977–1978 | Spin-off of The Three Stooges. |
| Scooby's All-Star Laff-A-Lympics | 16 | US | 1977–1978 | Block consisting of Laff-A-Lympics, The Scooby-Doo Show, Scooby-Doo, Where Are You!, Captain Caveman and the Teen Angels, and The Blue Falcon & Dynomutt. |
| Sender Nordlicht | | West Germany | 1977 | |
| Shake, Rattle, & Roll | 13 | US | 1977 | Segment on CB Bears. |
| Shin Kyojin no Hoshi | 52 | Japan | 1977–1978 | |
| The Skatebirds | 16 | US | 1977–1978 | |
| Space Sentinels | 13 | US | 1977 | |
| Squirrel and Hedgehog | 32 | North Korea | 1977–2012 | |
| Temple the Balloonist | 26 | Japan | 1977–1978 | |
| Les Tifins | 635 | France | 1977–1982 | |
| Tobidase! Machine Hiryū | 21 | Japan | 1977–1978 | |
| The Toothbrush Family | | Australia | 1977 | |
| Undercover Elephant | 13 | US | 1977 | Segment on CB Bears. |
| Voltes V | 40 | Japan | 1977–1978 | |
| Wakakusa no Charlotte | 30 | Japan | 1977–1978 | |
| Wakusei Robo Danguard Ace | 56 | Japan | 1977–1978 | |
| What's New, Mr. Magoo? | 16 | US | 1977 | |
| Wonder Wheels | 16 | US | 1977 | segment of The Skatebirds |
| Yakyū-kyō no Uta | 25 | Japan | 1977–1979 | |
| Yatterman | 108 | Japan | 1977–1979 | |
