This week’s new TV-on-DVD & Blu-ray releases include… A Certain Magical Index: Season One (Blu-ray+Digital) Chasing Waterfalls (DVD) Cold Feet: The New Years: Season Three (DVD) & Season Four (DVD) Isekai Quartet: Season Two (Blu-ray+Digital) Metalocalypse: Season One (DVD) Pennyworth: The Complete Second Season (Blu-ray & DVD) Playing for Keeps: Season 2 (DVD) The SpongeBob …