The original ANA Short "Pikachu's Exploration Club" shown in August 2007 on limited ANA domestic flights has been announced for release on DVD. The DVD will be released on April 25, 2008 for the suggested retail price of 2500 yen (including tax). The catalog number for the DVD is ZMBS-958 and has a total running time of about 45 minutes.
The short stars Pikachu, Pochama, Naetle and a few other familiar Pokemon characters as they go to a nearby river to swim. About the same time, Nyarth and Sonansu also arrive to swim in the river, but to their surprise, there is no water in a river. Can the group find the cause of the water loss and be able to swim in the river?
The DVD also includes Pocket Monsters Diamond and Pearl Episode 57 - Beadull Knew! It first aired in Japan on November 29, 2007 as part of a one-hour special alongside DP056.
Before an under-construction stone bridge, Satoshi and his friends meet the Breeder Ishisu, who is having a quarrel with the designer of the bridge. They are having sort of a headache because the "employee"-- Bibarel, who is supposed to do the quarrying, now doesn't work.
Sources:
http://www.mediafactory.co.jp/pikatanken/ &
http://www.mediafactory.co.jp/