{ 'Ark of the Covenant' => { 'seen in' => [ 'Raides of the Lost Ark', 'The Librarian: Quest for the Spear' ] }, 'Book or Key of Soloman' => { 'seen in' => [ 'The Librarian: Return to King Soloman\'s Mines', 'Season of the Witch' ] }, 'Crystal Skull' => { 'seen in' => [ 'Stargate SG-1, Crystal Skull', 'The Librarian: Return to King Soloman\'s Mines', 'Indiana Jones and the Kingdom of the Crystal Skull' ] }, 'Doc Brown\'s Delorean' => { 'seen in' => [ 'Back to the Future', 'Back to the Future Part II', 'Back to the Future Part III', 'The Librarians, And the Final Curtain' ] }, Excalibur => { 'seen in' => [ 'Excalibur', 'The Last Legion', 'The Librarian: Quest for the Spear' ] }, 'H.G. Wells\' Time Machine' => { 'seen in' => [ 'The Librarians', 'Warehouse 13' ] }, 'Holy Grail' => { 'seen in' => [ 'Indiana Jones and the Last Crusade', 'The Librarian: Quest for the Spear' ] }, Necronomicon => { 'seen in' => [ 'H.P. Lovecraft' ] }, 'Pandora\'s Box' => { 'seen in' => [ 'Warehouse 13', 'The Librarian: Quest for the Spear' ] }, 'Spear of Destiny' => { 'seen in' => [ 'The Librarian: Quest for the Spear', 'Hellboy', 'Constantine' ] }, TARDIS => { 'seen in' => [ 'Doctor Who', 'The Sarah Jane Adventures', 'The Librarians, And the Final Curtain' ] } }