A genealogy investigation and a knock on the head takes Mac back to King Arthur's court, where he must use his knowledge to prove Merlin innocent of harming the King, find the fair Cecilia and foil Morgana's attempt to take over the throne.
|Christopher Collet||Guest Star|
|Christopher Neame||Guest Star|
|Colm Meaney||Guest Star|
|Harry Victor||Guest Star|
|Lynne Harbaugh||Guest Star|
|Mark Holton||Guest Star|
|Peter Allen Vogt||Guest Star|
|Robin Strasser||Guest Star|
|Time Winters||Guest Star|
|William H. Bassett||Guest Star|
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