As Pokémon already said yesterday, in the next few days you will learn more about region and Pokémon.
This video will be on Thursday 22nd August. This video will then be shown at games con on Friday the 23rd.
In the video you will see another gym leader Opal who runs the fairy gym. She will use an Impidimp. She will have pink hair and have white shorts with a white a pink gym uniform.She will also be wearing some wings. After Impidimp is revealed you will see his evolution Mightydimp. A much bigger version with more darker colours and a mean look with horns.
You will then see Chairmen rose standing outside of a train station with Leon then they board a train.
You will then be shown your ingredients section in the bag and selected items such as potatoes. Once you select ok you will see a tent behind you and you have cooked a curry. You then choose a Pokémon from your team, in this video its Sobble and you give it the curry. It will then look happy and loved and informed of a stat increase.
If you do not regularly feed your Pokémon then stats like attack, accuracy etc. will decrease.
After that you will see the 3 starter pokemon and then you will be shown their evolution.

Some extra details you wont see in this video are as followed.
112 new Pokémon in the game and 21 Galarian forms plus 55 Gigantamax forms.
2 sets of version exclusive gyms. The other one is the ice for attack and steel for shield.
2 professors in the game. You will find the other one in the university.