Season one of Thundercats began airing on July 23, 2011. The series concluded on the June 16, 2012 and was not renewed for a second season.
Broadcasted episodes
Edit
| # | Title | Airdate |
| 1.01 | Omens, Part I | July 29, 2011 |
| 1.02 | Omens, Part II | July 29, 2011 |
| 1.03 | Ramlak Rising | August 5, 2011 |
| 1.04 | Song of the Petalar | August 12, 2011 |
| 1.05 | Old Friends | August 19, 2011 |
| 1.06 | Journey to the Tower of Omens | August 26, 2011 |
| 1.07 | Legacy | September 2, 2011 |
| 1.08 | The Duelist and the Drifter | September 9, 2011 |
| 1.09 | Berbils | October 28, 2011 |
| 1.10 | Sight Beyond Sight | November 4, 2011 |
| 1.11 | The Forest of Magi Oar | November 11, 2011 |
| 1.12 | Into the Astral Plane | November 18, 2011 |
| 1.13 | Between Brothers | November 25, 2011 |
| 1.14 | New Alliances | March 24, 2012 |
| 1.15 | Trials of Lion-O, Part 1 | March 31, 2012 |
| 1.16 | Trials of Lion-O, Part 2 | April 7, 2012 |
| 1.17 | Native Son | April 14, 2012 |
| 1.18 | Survival of the Fittest | April 21, 2012 |
| 1.19 | The Pit | April 28, 2012 |
| 1.20 | Curse of Ratilla | May 5, 2012 |
| 1.21 | Birth of the Blades | May 12, 2012 |
| 1.22 | The Forever Bag | May 29, 2012 |
| 1.23 | Recipe for Disaster | May 26, 2012 |
| 1.24 | The Soul Sever | June 2, 2012 |
| 1.25 | What Lies Above, Part 1 | June 9, 2012 |
| 1.26 | What Lies Above, Part 2 | June 16, 2012 |
ShortsEdit
| # | Title | Airdate |
| 1.01 | Snarf: Butterfly Blues | December 6, 2011 |
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