Starting with an abridged catch-up from series one, this is an action-packed and really quite irreverent drama that introduces us to “Turbo Granny”. Half granny but mostly half cat, she accompanies four childhood friends as they investigate a mystery that might just result in a volcanic eruption and the escape of a deadly serpent that’s been kept at bay by an annual sacrifice from a group of maniacal, mud-bathing pensioners. Meantime, “Momo” and “Okarun” have to combine their efforts to try and help “Jiri” who seems to be under some sort of spell that gets worse as they descend into a pit of…