Steven Universe - Okay so, this site claims that the main four gems will be in the episode.

>be me
>uploader of image
>really wants an episode where Steven isn't the main character for once
>reads this comment
>“I wonder how everyone else is doing right now”
>suddenly imagines that the entire episode is a story made up by Steven on the way home akin to "Garnet's Universe"
>mfw

This is just my guess, but I think that the site is just automatically listing the four main voice talents on the show, that or the start of the episode is Steven saying "I wonder how everyone else is doing right now" and then it transitions to Connie and what not.