Celebrity MasterChef

Semifinal day one (5x10)

Air date: Aug 11, 2010

The four best celebrity cooks remain and face three mammoth tasks. First they are sent to battle - to cater for soldiers of the Sealed Knot, then it's back to school to cater for 800 schoolboys at Harrow School. Finally they have to cook an exquisite dinner hosted by the headmaster of Harrow.