Well, i've got nothing better to do:
Indigo League Tournament:
076: All Fired Up (Opening)
077: Round One! Begin! (Start)
078: Fire And Ice!
079: Fourth Round Rumble!
080: A Friend In Deed!
081: Friend And Foe Alike!
082: Friends To The End (End)
Whirl Cup Tournament:
217: Octillery The Outcast! (Opening & Start)
218: Dueling Heroes
219: The Perfect Match! (End)
Silver Conference:
267: Pop Goes The Sneasel (Opening)
268: A Claim to Flame! (Start)
269: Love, Pokemon Style!
270: Tie One On!
271: The Ties That Bind!
272: Can't Beat the Heat!
273: Playing with Fire!
274: Johto Photo Finish (End)
Hoenn League Tournament:
402: Like a Meowth to a Flame (Opening)
403: Saved by the Beldum (Start)
404: From Brags to Riches
405: Shocks and Bonds
406: A Judgment Brawl
407: Choose It or Lose It
408: At the End of the Fray (End)
Sinnoh League Tournament:
650: An Old Family Blend! (Opening)
651: League Unleashed! (Start)
652: Casting a Paul on Barry!
653: Working on a Right Move!
654: Familiarity Breeds Strategy!
655: Intense Fighting Full Battle! Ash VS Paul! (Not aired in english yet)
656: Rival Battle Conclusion! Ash VS Paul! (Not aired in english yet)
657: Sinnoh League Semi-Final! Darkrai Appears! (End) (not aired in english yet)