Steve Pemberton and Reece Shearsmith lead us into another No.9 as their twisted anthology comedy series continues.
Nina thinks Professor Squires has all the answers when, actually, neither has a clue what the future holds. They commence a battle of wits to solve a crossword puzzle and reveal the guardian of their fate.
Dr Jacob Tyler joins the unravelling of the cryptic clues... but will they solve the riddle of the Sphinx?