The official Pokémon movie website has updated. Translations follow:

The "Pocket Monsters Sun & Moon: Everyone's One Hour Special" is Going to Air Thursday April 26th!

The "Pocket Monsters Sun & Moon: Everyone's One Hour Special",
an extravagant double episode of the TV anime series, is going to air on the TV Tokyo Network Thursday April 26th at 6:55pm!
It will also contain special "exclusive" messages
from the "everyone" of the extravagant cast of this summer's movie!

Synopsises of each episode making up this extravagant double episode!



"Shizukumo Gets Suiren!"

Deep in a forest on Melemele Island, the time has come for a wild Shizukumo to set off in search of its own water source.
Many things befall the Shizukumo on this journey into the wide world... it sees the sea for the first time, it loses a fight to another Shizukumo over a water source, and so on.
And during this journey, it has a chance encounter with Suiren and ends up falling in love with her?!



"Ta-dough! Burn with Passion, Mao's Family!!"

Mao's older brother 'Ulu, who left on a journey to learn more about cooking, has returned to his home in Aina Cafeteria for the first time in forever.
'Ulu explains he's come back in order to participate in the "Alola Bread Festival" that's held once a year in Alola,
but there's also something else he's not saying... He has a premonition that something will happen to Aina Cafetaria?!

Click here for the official website for the "Pocket Monsters Sun & Moon" TV anime series

Source: http://www.pokemon-movie.jp/news/?p=3245