4 - 1Interspace Showdown Feb. 13, 2011- 4 - 2Mechtogan Mayhem Feb. 20, 2011
- 4 - 3Disconnect Feb. 27, 2011
- 4 - 4Fall From Grace Mar. 06, 2011
- 4 - 5Tri-Twister Take Down Mar. 13, 2011
- 4 - 6Agony of Defeat Mar. 20, 2011
- 4 - 7BakuNano Explosion Mar. 27, 2011
- 4 - 8Return to New Vestroia Apr. 03, 2011
- 4 - 9Chaos Control Apr. 10, 2011
- 4 - 10A Royale Pain Apr. 17, 2011
- 4 - 11Back in Sync May. 01, 2011
- 4 - 12Mind Search May. 08, 2011
- 4 - 13Re-Connection May. 15, 2011
- 4 - 14Triple Threat May. 22, 2011
- 4 - 15Interspace Under Siege May. 29, 2011
- 4 - 16A Hero Returns Jun. 05, 2011
- 4 - 17Gundalia Under Fire Jun. 12, 2011
- 4 - 18Battle Lines Jun. 19, 2011
- 4 - 19Unlocking the Gate Jun. 26, 2011
- 4 - 20True Colours Jul. 03, 2011
- 4 - 21Dangerous Beauty Jul. 10, 2011
- 4 - 22Unfinished Business Jul. 17, 2011
- 4 - 23Behind the Mask Jul. 24, 2011
- 4 - 24Interspace Armageddon Jul. 31, 2011
- 4 - 25Dark Moon Aug. 07, 2011
- 4 - 26The Final Takedown Aug. 14, 2011
- 4 - 27Evil Arrival Sep. 10, 2011
- 4 - 28Wiseman Cometh Sep. 17, 2011
- 4 - 29Mysterious Bond Sep. 24, 2011
- 4 - 30Prodigal Bakugan Oct. 01, 2011
- 4 - 31Combination Impossible Oct. 08, 2011
- 4 - 32Enemy Allies Oct. 15, 2011
- 4 - 33Battle for Bakugan Land Oct. 22, 2011
- 4 - 34Gunz Blazing Oct. 29, 2011
- 4 - 35Battle Suit Bash Nov. 05, 2011
4 - 36Countdown to Doomsday Nov. 12, 2011
4 - 37The Eve of Extermination Nov. 19, 2011
4 - 38Jump to Victory Nov. 26, 2011
4 - 39Enemy Infiltration Dec. 03, 2011
4 - 40Gunz Lives Dec. 10, 2011
4 - 41Evil Evolution Dec. 17, 2011
4 - 42Evil vs. Evil Dec. 31, 2011
4 - 43Doom Dimension Throwdown Jan. 07, 2012
4 - 44Blast from the Past Jan. 07, 2012
4 - 45Beginning of the End Jan. 07, 2012
4 - 46The End of the Line Jan. 26, 2012