Set in an Alt. Universe where the mane 6 have never met each other prior to the launch of the space program. All attributes and elements that happened in the show up to now has still happened and they all have the same consequences, they just came about in different ways.

With an incoming colossal wave of energy spiraling towards Equestria, the Princesses needed a way of studying it before it reached them - as to be able to form adequate protection for their subjects. Princess Twilight suggested that they build a vessel which can gather data and transmit them back before impact. Hours away from collision, the crew of the HMS Endeavour are about to endure an adventure that transcends space and time.