The adventures of Leo, a young lion cub who becomes king of the jungle when his father, the previous king of the jungle is killed by a human hunter.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Go, White Lion! | 1965-10-06 | 30 min |
| Season 1 | Episode 2 | The Wind in the Desert | 1965-10-13 | 30 min |
| Season 1 | Episode 3 | A Human Friend | 1965-10-20 | 30 min |
| Season 1 | Episode 4 | Great Caesar's Ghost | 1965-10-27 | 30 min |
| Season 1 | Episode 5 | Fair Game | 1965-11-03 | 30 min |
| Season 1 | Episode 6 | Jungle Thief | 1965-11-10 | 30 min |
| Season 1 | Episode 7 | Battle at Dead River | 1965-11-17 | 30 min |
| Season 1 | Episode 8 | The Insect Invasion | 1965-11-24 | 30 min |
| Season 1 | Episode 9 | The Flying Tiger | 1965-12-01 | 30 min |
| Season 1 | Episode 10 | Two Hearts and Two Minds | 1965-12-08 | 30 min |
| Season 1 | Episode 11 | Catch 'Em If You Can | 1965-12-15 | 30 min |
| Season 1 | Episode 12 | The Hunting Ground | 1965-12-22 | 30 min |
| Season 1 | Episode 13 | The Trappers | 1965-12-29 | 30 min |
| Season 1 | Episode 14 | Journey Into Time | 1966-01-05 | 30 min |
| Season 1 | Episode 15 | Scrambled Eggs | 1966-01-12 | 30 min |
| Season 1 | Episode 16 | Diamonds in the Gruff | 1966-01-19 | 30 min |
| Season 1 | Episode 17 | The Magic Serpent | 1966-01-26 | 30 min |
| Season 1 | Episode 18 | The Runaway | 1966-02-02 | 30 min |
| Season 1 | Episode 19 | The Mystery of the Deserted Village | 1966-02-09 | 30 min |
| Season 1 | Episode 20 | Restaurant Trouble | 1966-02-16 | 30 min |
| Season 1 | Episode 21 | The Bad Baboon | 1966-02-23 | 30 min |
| Season 1 | Episode 22 | Dangerous Journey | 1966-03-02 | 30 min |
| Season 1 | Episode 23 | The Gigantic Grasshopper | 1966-03-09 | 30 min |
| Season 1 | Episode 24 | Gypsy's Purple Potion | 1966-03-16 | 30 min |
| Season 1 | Episode 25 | Too Many Elephants | 1966-03-23 | 30 min |
| Season 1 | Episode 26 | A Revolting Development | 1966-03-30 | 30 min |
| Season 1 | Episode 27 | The Chameleon Who Cried Wolf | 1966-04-06 | 30 min |
| Season 1 | Episode 28 | The Wild Wildcat | 1966-04-13 | 30 min |
| Season 1 | Episode 29 | The Nightmare Narcissus | 1966-04-20 | 30 min |
| Season 1 | Episode 30 | Adventure in the City | 1966-04-27 | 30 min |
| Season 1 | Episode 31 | City of Gold | 1966-05-04 | 30 min |
| Season 1 | Episode 32 | The Last Poacher | 1966-05-11 | 30 min |
| Season 1 | Episode 33 | Jungle Justice | 1966-04-18 | 30 min |
| Season 1 | Episode 34 | Jungle Fun | 1966-05-25 | 30 min |
| Season 1 | Episode 35 | The Pretenders | 1966-06-01 | 30 min |
| Season 1 | Episode 36 | The Monster of Petrified Valley | 1966-06-08 | 30 min |
| Season 1 | Episode 37 | Legend of Hippo Valley | 1966-06-15 | 30 min |
| Season 1 | Episode 38 | Volcano Island | 1966-06-22 | 30 min |
| Season 1 | Episode 39 | Running Wild | 1966-06-29 | 30 min |
| Season 1 | Episode 40 | The Troublemaker | 1966-07-06 | 30 min |
| Season 1 | Episode 41 | Destroyers from the Desert | 1966-07-13 | 30 min |
| Season 1 | Episode 42 | The Balloon That Blows Up | 1966-07-20 | 30 min |
| Season 1 | Episode 43 | Monster of the Mountain | 1966-07-27 | 30 min |
| Season 1 | Episode 44 | A Friend in Deed | 1966-08-03 | 30 min |
| Season 1 | Episode 45 | Such Sweet Sorrow | 1966-08-10 | 30 min |
| Season 1 | Episode 46 | The Return of Fancy Prancy | 1966-08-17 | 30 min |
| Season 1 | Episode 47 | The Cobweb Caper | 1966-08-24 | 30 min |
| Season 1 | Episode 48 | The Red Menace | 1966-08-31 | 30 min |
| Season 1 | Episode 49 | The Sun Tree | 1966-09-07 | 30 min |
| Season 1 | Episode 50 | Soldier of Fortune | 1966-09-14 | 30 min |
| Season 1 | Episode 51 | The Day the Sun Went Out | 1966-09-21 | 30 min |
| Season 1 | Episode 52 | Silvertail the Renegade | 1966-09-28 | 30 min |
| Season 2 | Episode 1 | The First Adventure | 1966-10-05 | 30 min |
| Season 2 | Episode 2 | The Map of Danger | 1966-10-12 | 30 min |
| Season 2 | Episode 3 | The Blue Lion | 1966-10-19 | 30 min |
| Season 2 | Episode 4 | The Last Hunt of the Ahabi People | 1966-10-26 | 30 min |
| Season 2 | Episode 5 | Leo Becomes a Father | 1966-11-02 | 30 min |
| Season 2 | Episode 6 | The Mighty Gorilla | 1966-11-09 | 30 min |
| Season 2 | Episode 7 | The Golden Bow | 1966-11-16 | 30 min |
| Season 2 | Episode 8 | The Case of the Moonlight Stone | 1966-11-23 | 30 min |
| Season 2 | Episode 9 | The Falcons | 1966-11-30 | 30 min |
| Season 2 | Episode 10 | Rick the Lycon | 1966-12-07 | 30 min |
| Season 2 | Episode 11 | Panja's Hide | 1966-12-14 | 30 min |
| Season 2 | Episode 12 | The Poachers | 1966-12-21 | 30 min |
| Season 2 | Episode 13 | Duel at Lubar Valley | 1966-12-29 | 30 min |
| Season 2 | Episode 14 | The Saber-Toothed Tiger | 1967-01-04 | 30 min |
| Season 2 | Episode 15 | The Marked Giraffe | 1967-01-11 | 30 min |
| Season 2 | Episode 16 | Lily the Black Leopard | 1967-01-18 | 30 min |
| Season 2 | Episode 17 | Devil Falls | 1967-01-25 | 30 min |
| Season 2 | Episode 18 | The Steel Monster | 1967-02-01 | 30 min |
| Season 2 | Episode 19 | A House for the Animals | 1967-02-08 | 30 min |
| Season 2 | Episode 20 | The White Cliff | 1967-02-15 | 30 min |
| Season 2 | Episode 21 | Agura the Terrible | 1967-02-22 | 30 min |
| Season 2 | Episode 22 | Candle Rock | 1967-03-01 | 30 min |
| Season 2 | Episode 23 | The Silver Wolf | 1967-03-08 | 30 min |
| Season 2 | Episode 24 | Adventure at Volcano Island | 1967-03-15 | 30 min |
| Season 2 | Episode 25 | The Green Plague | 1967-03-22 | 30 min |
| Season 2 | Episode 26 | The Eternal Mount Moon | 1967-03-29 | 30 min |
| Writing | Osamu Tezuka | Writer |
