On August 6, 2009, Hell's Kitchen was renewed for an eighth season.
The theme song of the show is "Fire" by the Ohio Players.
The dining room area is the location of the former KCOP news studios, and living quarters for the contestants were built on behind the restaurant.
The fourth season had fifteen contestants, rather than the usual twelve.
The fifth season had 16 contestants.
Out of the ten previous winners, five were girls and five were guys. Mike (S1), Heather (S2), Rock (S3), Christina (S4), Danny (S5), Dave (S6), Holli (S7), Nona (S8), Paul (S9) and Cristina (S10).
The only two challenges to appear on the show every season are the Signature Dish and the Blind Taste Test.
Robert is the only contestant to participate in two seasons. He competed in seasons five and six.
Season eight hit a milestone for the show. It celebrated it's 100th dinner service.
As of season eight, Gordon Ramsay and Scott Liebfried are the only two chefs to appear in every season.
Heather, the winner of season two returned to the show in season six as the sous chef for the red kitchen/team.
Holli, Danny, Christina and Rock all returned in season eight as special guests for the 100th dinner service. Holli and Danny sat at the red team's table and Christina and Rock sat at the blue team's table.
In season ten, a new record was set for the blue team as they lost almost every dinner service that season. Also, it was the first time neither team won a challenge. Justin also set a record in the Blind Taste Test by identifying all four items correctly.
Season 10 featured eighteen contestants.
Five contestants have been kicked out of Hell's Kitchen as of now. They are in order of episodes: Josh, J, Lacey, Louie and Nilka. Out of all of them, Josh and Nilka were the only ones to return. The reason for them are as follows: Josh: Overcooked a risotto and wasting cooked pasta that wasn't even ordered. J: Overcooked rice for both teams and overcooked scallops. Lacey: Overcooked lamb and admitted to not being able to cook meat. Louie: Used all the lamb in the blue kitchen and cutting it the wrong way. Nilka: Serving raw lobster.
The first episode of Season ten had its 125th dinner service.
As of season ten, 150 contestants have competed and over 10,000 guests have been served.
The first episodes of Seasons four and ten both accomplished a feat, which was the blue team never served any appetizers. Although in Season four, they did serve an appetizer but their customers have already walked out.
The very first signature dish Gordon Ramsay tasted was from Andrew in Season One. The first one he enjoyed was Carolann's Chicken Parmesan in the same season.
The very first contestant to ever leave Hell's Kitchen during dinner service and quit was Andrew in Season seven.
Season six marked the first time Gordon Ramsay walked out during dinner service.
Some celebrities to sit at the chef tables are: Haley Reinhart, Lee DeWyze, David Beckham, Tito Ortiz, Misty-May Treanor, Kerri Walsh-Jennings, Sugar Ray Leonard.
At ten seasons, this is the longest running cooking reality show.
Season four had two rivalries. They were Christina and Corey for the red team and Ben and Matt for the blue team.
Season nine was the only season to feature five people who had black jackets instead of the regular six.
A confrontation at the end of the episode meant that no Chefs were eliminated.
Two Chefs were eliminated at the beginning of this episode.