"Me too," says Barry. "Me and my dad. My real dad, not Joe. He wasn't really into scifi." Barry quiets for a moment, navigating silently through the streaming menu until he finds the episode where he left off. City on the Edge of Forever. It's a fan favorite, but Barry's always found it terribly sad.

"They made a new one?" he asks. "Really? Is it one of those, everyone rides a motorcycle and wears leather and is super cool reboots?"