Derpy Hooves, the fan-favorite pegasus with crazy eyes, can be seen briefly flying around at 02:38.
Friendship Report: Twilight learned sometimes the answer to a problem comes where you'd least expect it, and it's best to stop and listen to the ideas and perspectives of others, even though they don't make sense at first.
This is the first time Twilight gives her friendship report to Celestia in-person.
This is a fan parody of gremlins.