@Dib: I posted the full version a few pages back, but seems like it has been taken down. Since it has been on the internet for free though, I'm sure it will resurface again.
Synopsis of the first 3 episodes in S4:
S04, E01 Princess Twilight – Part 1: Princess Twilight is busy adjusting to her new wings and new role in Equestria when Celestia and Luna go missing. Meanwhile, her friends are all having unusual troubles of their own and it will take all of them working together to help find the missing royals.
S04, E02 Princess Twilight – Part 2: In order to save Equestria from the Everfree Forest, Princess Twilight and friends must bring their Elements to the Tree of Harmony.
S04, E03 Castle-Mania: While in Luna and Celestia’s old castle, the ponies are convinced it is haunted by the Pony of Shadows.