I am providing the necessary tools for synchronizing this and perhaps, a sticker should be set as a starter pack for getting the complete experience (almost all the links have been taken from /mlp/´s fan site general):

>Overview:
https://altboorus.org

>Streaming site (in case that one wants to become the host for watching the episodes together)
https://cytu.be/

>Video sites (for MLP episodes and more stuff)
https://pony.tube/

>Downloads (episodes, comics, DVDs,books,past generations…):
https://yayponies.no

>General purpose boorus (for downloading images)
https://rainbooru.org
https://ponybooru.org