Season 3, Episode 6 - "XXXII Jack and the Traveling Creatures "
26 April, 2003
Jack's path leads to a mysterious lake. Several creatures guide him to a passage through time. However, once Jack reaches the passage, he discovers an unbeatable warrior guards it. The Guardian nearly destroys Jack, but relents - it is not yet Jack's time. It is seen that Jack is the only one destined to enter the time portal, but at a much later date.

