Season 3, Episode 13 - "XXXIX Jack and the Labyrinth"
26 August, 2003
Jack must enter a booby-trapped pyramid-like labyrinth to retrieve a valuable diamond, which could help send him back in time. However, a mysterious figure enters from the opposite direction, and both compete to collect the diamond, the thief using high-tech gadgets, while Jack uses basic equipment. The thief seen in this episode is an homage to Daisuke Jigen of Lupin III fame.

