Finally, after 3 series (he arrived in Series 3) Ben is gagged. He has already been tied (with Cuffs) and blindfolded but now La Piece de Resistance! Some old Grannies have captured our heroes!
As part of their training (but really to keep them out of the way!) the spies are handcuffed, blindfolded and subjected to load music (like in a possible hostage situation!)