The following was a collection of letters written to Twilight Sparkle, which were then delivered to princess Celestia herself. They contain an account by the former captain of the guard, Shining Armor, of what occurred in one of Luna's research facilities. The details are unsettling to say the least.

Recursive: re·cur·sive adjective \ri-ˈkər-siv\

Definition of recursive: Of, relating to, or constituting a procedure that can repeat itself indefinitely; Infinite.

Gizmo Gadget goes a little loco in the coco at a get together one day, and becomes a shut in. When his friends go check on him, they find out that he's been hanging out with a pony they've never seen before. One of them has doubts, however, and voices it openly. Who is this unknown pony? Where did he come from? It will all be revealed, because true friendship is recursive, no matter what the circumstance.