Sitcom set in the government's secret underground headquarters during the Second World War.
Private Potts mixes up some papers, with dangerous results for Colonel Witherton.
Someone has infiltrated Churchill's underground headquarters.
Private Potts excels himself with the mishandling of top-secret orders.
A looter is found prowling round Churchill's bunker.
Private Potts has to prevent a plot to assassinate Churchill.
Private Potts has to defuse an unexploded bomb.
