The last time, he promised. Thunderlane keeps telling himself "one more time, just one more time" as he walks out that door. But this time he means it, he's going for his last visit. The last trek into the endless winter.

Everyone has their special day.

A day for parties and cake.

A day to spend with their closest friends and family.

Their birthday.

When Pinkie begins planning AppleJack's birthday, she yells at her.

Applejack has never celebrated her birthday, not since she was a filly.

Then Applebloom runs in the house, crying.

She asks the question AppleJack's dreaded since her sister could talk.

"What happened to Ma and Pa?"