Michelle decides to use René's old ice cream truck to rescue the airmen from the sewer. The truck is parked over the sewer grate and Monsieur Alphonse hides underneath so that he can prise off the grate using a chisel. General von Klinkerhoffen decides to buy some ice cream but ends up covered in it when the winch which is being used to raise the sewer grate causes the pump on the ice cream maker to get stuck full on. (thetvdb.com)