Barry Kripke, Sheldon Cooper, Amy Farrah Fowler, Who is in the episode of fun with flags on ‪@thebigbangtheory5082‬ on HBO Max. Sheldon is Betsy Ross the girl who makes the flags, Amy Farrah Fowler is a kangaroo, Sheldon Cooper is Someone from Australia. And Barry Kripke chosses the flags. It's the same episode.