Starting on September 19th, you can get ONE special cap Pikachu. You can claim your cap by visiting the link here and it’s all dependent on when you apply for the cap which one you will get. Here’s the dates and which cap you’ll get for that date:
- 9/19/17 – 9/25/17: Original hat
- 9/26/17 – 10/2/17: Hoenn region hat
- 10/3/17 – 10/9/17: Sinnoh region hat
- 10/10/17 – 10/16/17: Unova region hat
- 10/17/17 – 10/23/17: Kalos region hat
- 10/24/17 – 10/30/17: Alola region hat
The hats also have different move sets to spice things up a little. If you go to see the upcoming movie then you’ll get a QR code that lets you obtain the I Choose You hat Pikachu in Ultra Sun or Ultra Moon.