Un-Birthday for a Princess

Pinkie Pie throws Luna a birthday party - and learns that sometimes, bigger isn't always better.

When Pinkie Pie finds out that Luna hasn't celebrated a birthday in over a millenium, she is determined to help Luna make up for missed parties with the biggest, best Un-Birthday bash ever. But all Luna wants is quiet, personal time with ponies who care about her. Can Pinkie learn to understand what Luna needs from her little pink friend?