MASTERCHEF: Host / judge Gordon Ramsay in the "American Heroes/Waste Not Want Not" two-hour episode of MASTERCHEF airing Wednesday, Aug. 29 (8:00-10:00 PM ET/PT) on FOX. © 2018 FOX

MASTERCHEF: L-R: Contestants Cesar, Gerron, Julia and Farhan in the "American Heroes/Waste Not Want Not" two-hour episode of MASTERCHEF airing Wednesday, Aug. 29 (8:00-10:00 PM ET/PT) on FOX. © 2018 FOX

MASTERCHEF: L-R: Contestants Bowen, Ashley, Samantha and Shanika in the "American Heroes/Waste Not Want Not" two-hour episode of MASTERCHEF airing Wednesday, Aug. 29 (8:00-10:00 PM ET/PT) on FOX. © 2018 FOX

MASTERCHEF: L-R: Judges Aaron Sanchez and Joe Bastianich and contestant Farhan in the "American Heroes/Waste Not Want Not" two-hour episode of MASTERCHEF airing Wednesday, Aug. 29 (8:00-10:00 PM ET/PT) on FOX. © 2018 FOX

MASTERCHEF: L-R: Contestants Cesar and Farhan in the "American Heroes/Waste Not Want Not" two-hour episode of MASTERCHEF airing Wednesday, Aug. 29 (8:00-10:00 PM ET/PT) on FOX. © 2018 FOX

MASTERCHEF: Contestant Julia in the "American Heroes/Waste Not Want Not" two-hour episode of MASTERCHEF airing Wednesday, Aug. 29 (8:00-10:00 PM ET/PT) on FOX. © 2018 FOX

MASTERCHEF: Contestant Cesar in the "American Heroes/Waste Not Want Not" two-hour episode of MASTERCHEF airing Wednesday, Aug. 29 (8:00-10:00 PM ET/PT) on FOX. © 2018 FOX

MASTERCHEF: Contestant Samantha in the "American Heroes/Waste Not Want Not" two-hour episode of MASTERCHEF airing Wednesday, Aug. 29 (8:00-10:00 PM ET/PT) on FOX. © 2018 FOX

MASTERCHEF: Contestant Cesar in the "American Heroes/Waste Not Want Not" two-hour episode of MASTERCHEF airing Wednesday, Aug. 29 (8:00-10:00 PM ET/PT) on FOX. © 2018 FOX

MASTERCHEF: Host / judge Gordon Ramsay (C) with contestants in the "American Heroes/Waste Not Want Not" two-hour episode of MASTERCHEF airing Wednesday, Aug. 29 (8:00-10:00 PM ET/PT) on FOX. © 2018 FOX

MASTERCHEF: L-R: Host / judge Gordon Ramsay and contestants Bowen and Shanika in the "American Heroes/Waste Not Want Not" two-hour episode of MASTERCHEF airing Wednesday, Aug. 29 (8:00-10:00 PM ET/PT) on FOX. © 2018 FOX

MASTERCHEF: Contestant Shanika in the "American Heroes/Waste Not Want Not" two-hour episode of MASTERCHEF airing Wednesday, Aug. 29 (8:00-10:00 PM ET/PT) on FOX. © 2018 FOX

MASTERCHEF: L-R: Contestant Gerron, host / judge Gordon Ramsay and contestant Cesar in the "American Heroes/Waste Not Want Not" two-hour episode of MASTERCHEF airing Wednesday, Aug. 29 (8:00-10:00 PM ET/PT) on FOX. © 2018 FOX

MASTERCHEF: Host / judge Gordon Ramsay in the "American Heroes/Waste Not Want Not" two-hour episode of MASTERCHEF airing Wednesday, Aug. 29 (8:00-10:00 PM ET/PT) on FOX. © 2018 FOX

MASTERCHEF: L-R: Judge Aaron Sanchez, host / judge Gordon Ramsay and judge Joe Bastianich with members of the California Department of Forestry & Fire Protection in the "American Heroes/Waste Not Want Not" two-hour episode of MASTERCHEF airing Wednesday, Aug. 29 (8:00-10:00 PM ET/PT) on FOX. © 2018 FOX

MASTERCHEF: L-R: Judge Aaron Sanchez, host / judge Gordon Ramsay and judge Joe Bastianich with contestants and members of the California Department of Forestry & Fire Protection in the "American Heroes/Waste Not Want Not" two-hour episode of MASTERCHEF airing Wednesday, Aug. 29 (8:00-10:00 PM ET/PT) on FOX. © 2018 FOX