: Available for purchase on Apple TV and Google Play .
: The academy staff, including Chifuyu and Maya, examine a mysterious IS drone and find its core is not among the 467 confirmed cores, hinting at a larger looming threat. Where to Watch IS: Infinite Stratos 2 (Dub) Episode 4
: The episode highlights Tatenashi Sarashiki, the student council president known as the academy's strongest pilot. She showcases her unique ability to manipulate water using IS energy. : Available for purchase on Apple TV and Google Play