Season
- Season 4 2011-02-12
- Season 3 2010-05-22
- Season 2 2009-04-11
- Season 1 2007-04-05
Episode
- Episode 1: Interspace Showdown
- Episode 2: Mechtogan Mayhem
- Episode 3: Disconnect
- Episode 4: Fall From Grace
- Episode 5: Tri-Twister Take Down
- Episode 6: Agony of Defeat
- Episode 7: BakuNano Explosion
- Episode 8: Return to New Vestroia
- Episode 9: Chaos Control
- Episode 10: A Royale Pain
- Episode 11: Back in Sync
- Episode 12: Mind Search
- Episode 13: Re-Connection
- Episode 14: Triple Threat
- Episode 15: Interspace Under Siege
- Episode 16: A Hero Returns
- Episode 17: Gundalia Under Fire
- Episode 18: Battle Lines
- Episode 19: Unlocking the Gate
- Episode 20: True Colours
- Episode 21: Dangerous Beauty
- Episode 22: Unfinished Business
- Episode 23: Behind the Mask
- Episode 24: Interspace Armageddon
- Episode 25: Dark Moon
- Episode 26: The Final Takedown
- Episode 27: Evil Arrival
- Episode 28: Wiseman Cometh
- Episode 29: Mysterious Bond
- Episode 30: Prodigal Bakugan
- Episode 31: Combination Impossible
- Episode 32: Enemy Allies
- Episode 33: Battle for Bakugan Land
- Episode 34: Gunz Blazing
- Episode 35: Battle Suit Bash
- Episode 36: Countdown to Doomsday
- Episode 37: The Eve of Extermination
- Episode 38: Jump to Victory
- Episode 39: Enemy Infiltration
- Episode 40: Gunz Lives
- Episode 41: Evil Evolution
- Episode 42: Evil vs. Evil
- Episode 43: Doom Dimension Throwdown
- Episode 44: Blast from the Past
- Episode 45: Beginning of the End
- Episode 46: The End of the Line
Bakugan Battle Brawlers Mechtanium Surge Interspace Under Siege
Centers on the lives of creatures called Bakugan and the battle brawlers who possess them.
