ThunderCats — Season 1, episode 15 watch online
ThunderCats, season 1 episode 15 «Trials of Lion-O, Part One»: air date March 31, 2012. Episode overview, season trailer and the cast of ThunderCats.
During an ambush, Lion-O falls to his death, but he is given a second chance at life - if he can pass a series of trials that pit him against each of his teammates.
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Episodes — Season 1
- 1 Episode 1 «The Sword of Omens (1)» July 29, 2011
- 2 Episode 2 «Ancient Spirits of Evil (2)» July 29, 2011
- 3 Episode 3 «Ramlak Rising» August 5, 2011
- 4 Episode 4 «Song of the Petalars» August 12, 2011
- 5 Episode 5 «Old Friends» August 19, 2011
- 6 Episode 6 «Journey to the Tower of Omens» August 26, 2011
- 7 Episode 7 «Legacy» September 2, 2011
- 8 Episode 8 «The Duelist and the Drifter» September 9, 2011
- 9 Episode 9 «Berbils» October 28, 2011
- 10 Episode 10 «Sight Beyond Sight» November 4, 2011
- 11 Episode 11 «The Forest of Magi Oar» November 11, 2011
- 12 Episode 12 «Into the Astral Plane» November 18, 2011
- 13 Episode 13 «Between Brothers» November 25, 2011
- 14 Episode 14 «New Alliances» March 24, 2012
- 15 Episode 15 «Trials of Lion-O, Part One» March 31, 2012
- 16 Episode 16 «Trials of Lion-O, Part Two» April 7, 2012
- 17 Episode 17 «Native Son» April 14, 2012
- 18 Episode 18 «Survival of the Fittest» April 21, 2012
- 19 Episode 19 «The Pit» April 28, 2012
- 20 Episode 20 «Curse of Ratilla» May 5, 2012
- 21 Episode 21 «Birth of the Blades» May 12, 2012
- 22 Episode 22 «The Forever Bag» May 19, 2012
- 23 Episode 23 «Recipe for Disaster» May 26, 2012
- 24 Episode 24 «The Soul Sever» June 2, 2012
- 25 Episode 25 «What Lies Above, Part 1» June 9, 2012
- 26 Episode 26 «What Lies Above, Part 2» June 16, 2012