Episode Title:Plaid to the Bone.Episode Description:Joe, Jodie, and Anna are flung from a trebuchet and hurtling towards Castle Dunbar in Scotland during a siege in 1338 led by William Montagu, 1st Earl of Salisbury. However, when the kids meet Agnes Randolph and Uncle Joe in the dungeon, they realize much more is at stake. Joe watches Uncle Joe and Mad Jack battle it out over the fate of the universe and it's up to the kids to save the timeline. Series Finale