Danger 5 follow a lead to Vatican City, where Hitler is being held prisoner by red-robed priests who intend to take over the Reich. Hitler believes that school-girl Holly is the key to world domination, but the priests say that it is religion (and you know what, they're probably right). Meanwhile, Tucker and Mackenzie are at Pierre's Italian mansion looking after Holly, who appears to be indestructible.
The longer this series goes on, the more I think that the show's creator's have seriously lost the plot (I know I have, finding it harder and harder to sum up the storyline). Un Sacco Di Natale is another very random exercise in weirdness, with drug-fuelled dream sequences, a group of malevolent party balloons, a pope puppet, Pierre smashing a priest's head with his plank of truth, and Jackson being raped by Rommel who has modelled his body after Ilsa and who invokes an Egyptian goddess to become a cow mid-coitus.
At the end of this episode, Danger 5 finally succeed in killing Hitler, sending him to hell where he machine guns the devil and takes command of an army of dead Nazis.