To rechallene striation city gym you will have to find Cheren within the trainer school. Then he will ask you about your journey so far and will promptly challenge you to battle
In Nacrene city, the city after Striaton city.
After you beat the gym leaders in striaton city
Fennel will give you the C-Gear after defeating the Striaton City Gym Leader.
Striaton does not have a dock. You might mean Castelia City.
Dento (Japanese name) is Cilan, the first Gym Leader in Striaton City if you choose Oshawott as your starter.
no you cannot but you can battle latias/latios
Right after the first gym which is in striaton city, which is the 3rd town/city in the game!
You gain acces to the daycare after you get the Dream Mist for Fennel in Striaton City. You can do this once you get the first gym badge.
route 3 after striaton city
At striaton city
Yes. And it is located between Striaton City and Nacrene City (Rt. 3)
You do not defeat Team Plasma in Striaton City, you will need to defeat them in the Dreamyard.