This week’s new TV-on-DVD & Blu-ray releases include … A Discovery of Witches: Season 2 (Blu-ray & DVD) A Certain Magical Index II: Season 2 (Blu-ray) Blue Bloods: The Eleventh Season (DVD) Colonel Bleep: The Complete Surviving Series, Volume 1 (DVD) & Volume 2 (DVD) DECA-DENCE: The Complete Season (Blu-ray) Gridman: The Hyper Agent: The …