The official Pokémon Youtube channel has recently updated with a trailer for a brand new Pokémon online miniseries. The series will be streamed directly on the official Pokémon Youtube channel and will run for around 3-5 minutes in the length. The series will feature major events throughout the franchise as a part of the 20th anniversary of the franchise. The series will be uploaded weekly until December 23.
The new animated series Pokémon Generations revisits each generation of the Pokémon video game series to shed new light on some timeless moments. From the earliest days in the Kanto region to the splendor of the Kalos region, go behind the scenes and witness Pokémon history with new eyes! These bite-sized adventures, about 3 to 5 minutes long, will be released every week through December 23, 2016.
Source: Official Pokémon Youtube