Not yet! Scyfi just signed up for a 4th season. Yay!
Yes, "Warehouse 13" was officially canceled by Syfy after its five-season run concluded in 2014.
There isn't an FBI agent on Warehouse 13. Pete Latimer and Myka Bering are former Secret Service agents that became Warehouse 13 agents.
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Warehouse 13 - 2009 was released on: USA: 7 July 2009
The TV-series "Warehouse 13" first premiered on July 7th, 2009 on the SyFy channel. You can learn more about the TV-series "Warehouse 13" online from the Wikipedia.
Warehouse 13 - 2009 Secret Santa 2-13 is rated/received certificates of: Netherlands:12
Warehouse 13 - 2009 13-1 2-5 is rated/received certificates of: Netherlands:12
Warehouse 13 - 2009 The Greatest Gift 3-13 is rated/received certificates of: Netherlands:16
Warehouse 13 - 2009 The Big Snag 4-13 is rated/received certificates of: Netherlands:16
Warehouse 13 - 2009 5-1 was released on: USA: 14 April 2014
Warehouse 13 - 2009 Where and When 2-10 is rated/received certificates of: Netherlands:12
Warehouse 13 Of Monsters and Men - 2011 was released on: USA: 7 May 2011 (internet)
Amazon video has this for viewing.