Just a few weeks after nearly destroying all of time and space, Starlight Glimmer is invited to meet with Princess Celestia for tea. This can't be good.
Celestia extends her stay on Earth, which means you need a lot more Fanta. To save money, you take Celestia with you to Costco. It goes about as well as you'd expect.
It can get so boring up there in Canterlot, so to alleviate that Discord tries his talon at writing the most offensive literature his twisted mind can conceive.
Twilight buys a toaster. It doesn't work very well. Unfortunately for Rainbow Dash, she happens to be in earshot--and trying to check out a Daring Do book. Rainbow Dash begins to question her life choices.
Caramel has a job as a telemarketer. When he calls Twilight Sparkle's house, she lets her pet owl pick up the phone. The only problem is that Owlowiscious does nothing but hoot.
Rainbow wants to penetrate things and Twilight teaches her how. A few problems become immediately apparent. Too much power, too much depth, not enough material science.