Pony General:"Season 12 will never air" edition.

 Entended Synopsis-The Crystal Empire (Parts 1 And 2)

Episode 1:
Northern Equestria's Crystal Empire has once again made an appearance after being afflicted with a curse that made it vanish for 1,000 years, and Princess Celestia commissions Twilight Sparkle to keep the empire from disappearing again.

Episode 2:
After Princess Celestia commissions her to keep the Crystal Empire from vanishing again, Twilight Sparkle realizes that she must find the missing Crystal Heart in order to restore the empire's strength and reputation before it can disappear again.