After Hiroshima nearly beat Hiro up to death, Hira gets a lot of missed calls from the mane 6, notably Twilight Sparkle, she suggests that maybe a book from a thousand years ago can help them out, others either wants their help, or wants them to watch something with them, so all 6 of them went to Equestria together for the first time. Note: Season 3, Episode 2. Note: I Only Owned My OCs.