Anon-a-Miss has invaded Canterlot High and the girls think that Sunset did it! How can she ever regain her honor?
Mortal Kombat, of course. Equestrian Tradition dictates that challenges are to be issued and duels are to be performed. Rarity, Pinkie Pie, Fluttershy, Rainbow Dash, and Applejack are all well aware of these facts.
The CMCs, however, haven't had that particular Social Studies class, and now they have started to realize what they have unleashed.