Rob Riggle Global Investigator The Holiest of Grails (Season 1, Episode 2)
TV-14
TV Episode | 41 min | Documentary, Adventure, Comedy

Rob Riggle Global Investigator

The Holiest of Grails (Season 1, Episode 2)

TV-14

TV Episode | 41 min | Documentary, Adventure, Comedy

Finding the actual Holy Grail is the holy grail for all global investigators so Rob's on the case. He's following in the footsteps of the Knights Templars and unearthing new evidence that could prove the grail has been hidden in Scotland all this time.

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Cast	+ Add Cast
7 cast members

Name	Known for
Rob Riggle Self - Host Self - Host See fewer	The Daily Show (1996)
Tony McMahon Self Self See fewer	The UnXplained (2019)
Margaretanne Dugan Self Self See fewer	Rob Riggle Global Investigator (2019)
Steve Lannon Self Self See fewer	Rob Riggle Global Investigator (2019)
Karl Ude-Martinez Self Self See fewer	The Last Horror Movie (2003)
Fiona Rogan Self Self See fewer	Rob Riggle Global Investigator (2019)
Iain Grimston Self Self See fewer	Rob Riggle Global Investigator (2019)