From Bulbapedia, the community-driven Pokémon encyclopedia.
Bulbacast is Bulbagarden's Pokémon podcast project. It underwent a hiatus over a period of years, but has returned due to the Project Overgrow. The first cast in several years was recorded in September 2009 with the new cast system implemented.
With the addition of the fourth season, and the release of the special filler episode 2.5 of season 4, the total of episodes aired is 51 including 2 special casts of the "april fools day" cast and "gamescast".