This is Impossible!

"This is impossible!" Twilight said frantically, her limbs flailing beneath her as she was lifted higher into the night sky despite her struggles to stay grounded.

"Nothing's impossible, Ms. Sparkle," came the Doctor's response as he easily floated beside next to his new companion, "At least, depending which planet you're on...and the gravity of said planet."

"How are you doing that?" Twilight asked, muffling a yelp of panic as she tipped upside down. She threw a glare at the Doctor who seemed to be enjoying her momentary lapse of propriety.

"It's a bit like swimming," The stallion grinned as he mimicked the doggy paddle, "Give it a go!"