TV Celebrity Masterchef - Season 5 Episode 10 : Semifinal day one Celebrity Masterchef - Season 5 Episode 10 : Semifinal day one 6.1/10 by 13 users 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. Details Casts Posters Images Title Celebrity Masterchef - Season 5 Episode 10 : Semifinal day one Alternative Titles First Air Date 2006-09-11 Last Air Date 2025-12-19 Number of Episodes 333 Number of Seasons 20 Genres Reality, Networks BBC One, Casts John Torode, Grace Dent Plot Keywords , Self - Host / Judge John Torode Self - Host / Judge Grace Dent Episodes List Celebrity Masterchef Season 5 :Episode 1 Knockout rounds one Knockout rounds one 2010-07-21 Chef and restaurateur John Torode and food writer and ingredients expert Gregg Wallace search for the country's top celebrity chef. Celebrity Masterchef Season 5 :Episode 2 Knockout rounds two Knockout rounds two 2010-07-22 Chef and restaurateur John Torode and food writer and ingredients expert Gregg Wallace search for the country's top celebrity chef. Celebrity Masterchef Season 5 :Episode 3 Quarterfinal one Quarterfinal one 2010-07-23 Chef and restaurateur John Torode and food writer and ingredients expert Gregg Wallace search for the country's top celebrity chef. Celebrity Masterchef Season 5 :Episode 4 Knockout rounds three Knockout rounds three 2010-07-28 Chef and restaurateur John Torode and food writer and ingredients expert Gregg Wallace search for the country's top celebrity chef. Celebrity Masterchef Season 5 :Episode 5 Knockout rounds four Knockout rounds four 2010-07-29 Chef and restaurateur John Torode and food writer and ingredients expert Gregg Wallace search for the country's top celebrity chef. Celebrity Masterchef Season 5 :Episode 6 Quarterfinal two Quarterfinal two 2010-07-30 Chef and restaurateur John Torode and food writer and ingredients expert Gregg Wallace search for the country's top celebrity chef. Celebrity Masterchef Season 5 :Episode 7 Quarterfinal three Quarterfinal three 2010-08-04 Chef and restaurateur John Torode and food writer and ingredients expert Gregg Wallace search for the country's top celebrity chef. Celebrity Masterchef Season 5 :Episode 8 Quarterfinal four Quarterfinal four 2010-08-05 Chef and restaurateur John Torode and food writer and ingredients expert Gregg Wallace search for the country's top celebrity chef. Celebrity Masterchef Season 5 :Episode 9 Quarterfinal five Quarterfinal five 2010-08-06 Chef and restaurateur John Torode and food writer and ingredients expert Gregg Wallace search for the country's top celebrity chef. Celebrity Masterchef Season 5 :Episode 10 Semifinal day one Semifinal day one 2010-08-11 Chef and restaurateur John Torode and food writer and ingredients expert Gregg Wallace search for the country's top celebrity chef. Celebrity Masterchef Season 5 :Episode 11 Semifinal day two Semifinal day two 2010-08-12 Chef and restaurateur John Torode and food writer and ingredients expert Gregg Wallace search for the country's top celebrity chef. Celebrity Masterchef Season 5 :Episode 12 Semifinal day three Semifinal day three 2010-08-13 Chef and restaurateur John Torode and food writer and ingredients expert Gregg Wallace search for the country's top celebrity chef. Celebrity Masterchef Season 5 :Episode 13 Final day one Final day one 2010-08-18 Chef and restaurateur John Torode and food writer and ingredients expert Gregg Wallace search for the country's top celebrity chef. Celebrity Masterchef Season 5 :Episode 14 Final day two Final day two 2010-08-19 Chef and restaurateur John Torode and food writer and ingredients expert Gregg Wallace search for the country's top celebrity chef. Celebrity Masterchef Season 5 :Episode 15 Series 5, The Final Series 5, The Final 2010-08-20 Chef and restaurateur John Torode and food writer and ingredients expert Gregg Wallace search for the country's top celebrity chef.