1) An episode where the Young Six form a band for the School of Frienship Talent Show, but have trouble finding their sound, until the end where they learn to collaborate.
2) One or more episodes where the Young Six get called by the Map for friendship missions, either all six at once, or two by two by two, like the Mane Six in Seasons 5 & 6.
-Parts of the Young Six that would glow:
Sandbar: Cutie mark (of course)
Gallus: Yellowish orange highlights on the feathers atop his head
Silverstream: Necklace (but not in the same way as how she turns into a Seapony and back)
Smolder: Scales (like Spike in "Triple Threat")
3) New students of different species, like maybe a young Kirin or a young creature from Klugetown.
4) Cameos from ponies that resemble characters from either: