Early on, Minty catches a bunch of teacups that fell from the head of another pony, only to end up breaking all but one (of course, green) when she bows at the cheering crowd.
When everyone suggests ideas for charm bracelets
Minty: Let's make it green!
Everyone else: (unamused) Green!?
When Pinkie Pie suggests that everyone do what they always do to solve their charm bracelet problem, Sunny Daze immediately says "Go play!?"
Pinkie: (whispering) Later!
When Minty says that one of her friends must go to Kimono to solve their issue, everyone next to her backs up in unison so that she's the one to go.
Kimono's Only Sane Mare moment. Minty comes by and, in an extremely transparent fashion, gets some advice on how the eight of them should handle the fact that they're all basically making her the birthday present. After Minty walks off, Kimono comments, "This is why I live out of town."
Razzaroo walking in on Minty chiseling a giant mint.
Minty saying that she didn't understand what Kimono was trying to say at first "because who understands her at first?"
Dancing In The Clouds
Scooter Sprite accidentally bumps into Sunny Daze while roller-skating, causing their manes to be tangled together.
Friends Are Never Far Away
Baby Honolu-Loo flying smack into the ice cream mountain.
A Very Minty Christmas
When Pinkie Pie announces that Walking Disaster Area Minty is flying a hot-air balloon, every pony in town lets loose a collective GASP!.
Meta-example: Amazon.com has two different listings for the DVD My Little Pony: Twinkle Wish Adventure, one of which calls it Persistent Monkey Grip Sculpture of Yesteryear. (This has since been fixed.) And since many other websites' listings are based on Amazon's, those sites also have pages for PMGSoY!
Since "Persistent Monkey" has the same number of syllables as "My Little Pony," it can even be sung to MLP's Title Theme Tune. Persistent Monkey, Persistent Monkey...