The Sunday morning variety show
Pokémon Smash! (ポケモンスマッシュ!) has announced that they will be rebroadcasting
Pocket Monsters Best Wishes 25 - Hiun Gym Match! Purehearted Bug Pokémon Battle!! (ヒウンジム戦! 純情ハートの虫ポケモンバトル!!) on Smash episode #27 which airs April 10th, 2011. They will also be rebroadcasting
Pocket Monsters Best Wishes 27 - Beware of the Cute Face! Paralyzed by Emonga!! (かわいい顔に要注意!エモンガでシビレビレ!!) on Smash episode #28 which airs April 17th, 2011. Both episodes are being rebroadcast due to the Sendai Earthquake/tsunami that disrupted many people's schedules and as a result they were unable to see the original airings of those episodes. No information was revealed about the first airings of BW23, 24 or 26 which were skipped.
Source:
http://www.inside-games.jp/article/2011/04/05/48304.html