Lion-O and the ThunderCats — Tygra, Panthro, Cheetara, Wilykat and Wilykit — barely escape the sudden destruction of their home world, Thundera, only to crash land on the mysterious and exotic planet of Third Earth. Lion-O, the newly appointed Lord of the ThunderCats, attempts to lead the team as they make this planet their new home. A bizarre host of creatures and villains stand in their way, including the evil Mumm-Ra, Third Earth’s wicked ruler who will let nothing, including the ThunderCats, stop his tyrannical reign over the planet.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Exodus, Part 1 | 2020-02-22 | 15 min |
| Season 1 | Episode 2 | Exodus, Part 2 | 2020-02-22 | 15 min |
| Season 1 | Episode 3 | The Legend of Boggy Ben | 2020-02-29 | 15 min |
| Season 1 | Episode 4 | Prank Call | 2020-02-29 | 15 min |
| Season 1 | Episode 5 | Driller | 2020-03-07 | 15 min |
| Season 1 | Episode 6 | Secret of the Unicorn | 2020-03-07 | 15 min |
| Season 1 | Episode 7 | Panthro Plagiarized! | 2020-03-14 | 15 min |
| Season 1 | Episode 8 | Warrior Maiden Invasion | 2020-03-14 | 15 min |
| Season 1 | Episode 9 | Lost Sword | 2020-03-21 | 15 min |
| Season 1 | Episode 10 | The Horror of Hook Mountain | 2020-03-21 | 15 min |
| Season 1 | Episode 11 | ThunderSlobs | 2020-03-28 | 15 min |
| Season 1 | Episode 12 | Working Grrrl | 2020-03-28 | 15 min |
| Season 1 | Episode 13 | Mandora -- The Evil Chaser | 2020-04-04 | 15 min |
| Season 1 | Episode 14 | Dr. Dometome | 2020-04-04 | 15 min |
| Season 1 | Episode 15 | Study Time | 2020-04-11 | 15 min |
| Season 1 | Episode 16 | Mumm-Ra, the Ever-Living | 2020-04-11 | 15 min |
| Season 1 | Episode 17 | Berserkers | 2020-04-18 | 15 min |
| Season 1 | Episode 18 | Jaga History | 2020-04-18 | 15 min |
| Season 1 | Episode 19 | Barbastella | 2020-04-25 | 15 min |
| Season 1 | Episode 20 | Adopt a Jackal | 2020-04-25 | 15 min |
| Season 1 | Episode 21 | Summer Fun Day! | 2020-05-02 | 15 min |
| Season 1 | Episode 22 | Safari Joe | 2020-05-02 | 15 min |
| Season 1 | Episode 23 | Ratar-O | 2020-05-09 | 15 min |
| Season 1 | Episode 24 | Prince Starling's Quest | 2020-05-09 | 15 min |
| Season 1 | Episode 25 | Lion-S | 2020-05-16 | 15 min |
| Season 1 | Episode 26 | Snarf's Day Off | 2020-05-16 | 15 min |
| Season 1 | Episode 27 | Mumm-Ra of Plun-Darr, Part 1 | 2020-05-23 | 15 min |
| Season 1 | Episode 28 | Mumm-Ra of Plun-Darr, Part 2 | 2020-05-23 | 15 min |
| Season 1 | Episode 29 | Mandora's Law | 2020-11-02 | 15 min |
| Season 1 | Episode 30 | Thunder Road | 2020-11-02 | 15 min |
| Season 1 | Episode 31 | Corporate Buyout | 2020-11-03 | 15 min |
| Season 1 | Episode 32 | Hachiman | 2020-11-03 | 15 min |
| Season 1 | Episode 33 | Schnorp | 2020-11-04 | 15 min |
| Season 1 | Episode 34 | Berb-cules | 2020-11-04 | 15 min |
| Season 1 | Episode 35 | Pumm-Ra | 2020-11-05 | 15 min |
| Season 1 | Episode 36 | King of the Machines | 2020-11-05 | 15 min |
| Season 1 | Episode 37 | Sword Heist | 2020-11-06 | 15 min |
| Season 1 | Episode 38 | Claudus | 2020-11-06 | 15 min |
| Season 1 | Episode 39 | Telethon | 2020-11-09 | 15 min |
| Season 1 | Episode 40 | Mall-Ra | 2020-11-09 | 15 min |
| Season 1 | Episode 41 | Eclipsorr | 2020-11-10 | 15 min |
| Season 1 | Episode 42 | Wizz-Ra | 2020-11-10 | 15 min |
| Season 1 | Episode 43 | ThunderDogs | 2020-11-11 | 15 min |
| Season 1 | Episode 44 | Mini Mongor | 2020-11-12 | 15 min |
| Season 1 | Episode 45 | Swampy Johnny | 2020-11-13 | 15 min |
| Season 1 | Episode 46 | Tygra's Garden | 2020-11-16 | 15 min |
| Season 1 | Episode 47 | The Space Beam | 2020-11-17 | 15 min |
| Season 1 | Episode 48 | Plundsmas | 2020-11-18 | 15 min |
| Season 1 | Episode 49 | Killing Time | 2020-11-19 | 15 min |
| Season 1 | Episode 50 | Grune | 2020-11-20 | 15 min |
| Season 1 | Episode 51 | The First Thundsgiving | 2020-11-21 | 15 min |
| Season 1 | Episode 52 | Mandora Saves Christmas | 2020-12-05 | 15 min |
| Production | Marly Halpern-Graser | Producer |
| Production | Sam Register | Executive Producer |
| Production | Victor Courtright | Producer |
| Sound | Kamatteachan Shinsei | Theme Song Performance |
| Sound | Andi Gibson | Theme Song Performance |
| Sound | Matthew Janszen | Theme Song Performance |
| Writing | Theodore Walter Wolf | Characters |
| Production | Jules Bass | Consulting Producer |
| Sound | Matthew Janszen | Music |
| Production | Wes Gleason | Casting |
