Starting with the eleventh season, food competitions were replaced with Have or Have Not competitions where the losing team would not only be on a food restriction, but forced to take only cold showers and banished to sleep in an uncomfortable "have not" bedroom.
Fans eventually became aware of the location of the house and began flying banners across the backyard for house guests. Although house guests are instructed to immediately go inside if one flies by many have been seen/read and even made impacts in the game. Most notably in seasons 2 and 8 where banners were flown during live endurance competitions where house guests could not leave the backyard.
Season Twists: S1-Differed completely from later seasons, where eliminations were called "banishments" instead of "evictions" and occurred via the viewers instead of votes. S2-First season to feature the Head of Household (HoH) and in which a HouseGuest, Justin Sebik, was expelled from the game. Also the only season to have nullified votes in the finale. S3-"Expect The Unexpected": First season to feature the Power of Veto (PoV) and the only season to have every evicted HouseGuest vote for a winner. S4-"The X-Factor": In which five people were joined by ex-boyfriends or ex-girlfriends. S5-"Project DNA: Do Not Assume": In which two HouseGuests discovered they were related by blood, and one had an identical twin. S6-"Summer of Secrets": In which every HouseGuest started out with a secret partner; had one of these pairs made the Final 2, the winner would win $1,000,000, while the runner-up would receive $250,000. S7-"All-Stars": Were all 14 house guests had been on previous seasons. S8-"Your Own Worst Enemy": Featured three nemeses (Dick, Dustin and Jessica), and the first season to include America's Player. S9-"Till Death Do You Part": Where house guests are paired together in a "couples" twist where they are hoh, nominated and evicted in twos. S10-"Back To Basics": All house guests are complete strangers since season three. No season twist. S11-"High School x1000": Featured high school cliques, whereas an entire clique was safe from eviction if one of their members becomes HoH. First season to feature Pandora's Box. S12-"Summer of Sabotage": Featured the "Big Brother Saboteur", whose mission was to not win the grand prize, but perform various tasks to disrupt the lives of the other HouseGuests in order to win $50,000. S13-"Double Trouble": Featured three Dynamic Duos from previous seasons returning to play again. This also resulted all the other HouseGuests to pair in duos as well for the first four weeks. A new element into the game called the Golden Key awards the nominee safe after the live eviction a key to the Top 10. This means this HouseGuest skips all competitions and is exempt from evictions until the end of Week 4. S14 - "Veteran Coaches": Featured four former players as coaches for the twelve new houseguests. If one of their players wins the top prize then their coach also gets $10,000.
Four house guests have been expelled from the game. Justin (BB2) for holding a knife to another contestant's throat, Scott (BB4) for threatening others, throwing furniture and becoming violent in response to the X-Factor twist, Chima (BB11) for defying property and the game rules and Willie (BB14) for head butting Joe. Two have voluntarily left the game, Neil (BB9) and Dick (BB13) for an urgent personal family matter in the first week.
Two contestants were under the required age of 21 to be eligible to apply to be on Big Brother. This was because both were a part of the twist that season. Michelle was 19 in Big Brother 4 as one of the exes in the X Factor twist. Daniele was 20 in Big Brother 8 for the enemies twist with her estranged father.
House guests are constantly warned not allowed to sing or state movie quotes (due to copyright), or talk about the production of the show or any diary room session. Normally producers will warn them and the feeds will temporarily cut off.
Julie Chen, has been the host of the American version of Big Brother since its debut in 2000. During the first season, she was widely criticized in the media for her heavily scripted, wooden delivery in her interaction with the studio audience and in the interviews on the live programs. This has earned her the nickname the "Chenbot" among the fans, a title she has proudly come to embrace.
Will Kirby stated on the live feeds during season 7 that the producers warned the Big Brother 2 house guests not to talk about the original first season that had premiered a year earlier and performed poorly. Season one was not referenced or recognized like the other previous seasons until All-Stars six years later.
Controversy sparked over the finale of Big Brother 3 where contestant Danielle lost to winner Lisa due to all of the evicted house guests being able to go home and watch all of the show, including diary room sessions which ultimately lead to her losing by a vote of 9 to 1. This seems to be the influence for evicted house guests having to be sequestered without seeing any private footage of the show before casting to their vote, known as the jury of seven that has been in the show since.
To date, Pandora's Box has been opened eight times. Twice in Season 11, four times in Season 12 and twice in Season 13. Here are all the results of their openings: SEASON 11: KEVIN - $10,000 was released to the house; he got locked in Pandora's Box. NATALIE: Private meeting with her boyfriend; she released clowns into the house and couldn't compete in the Power of Veto competition. SEASON 12: MATT: Diamond Power of Veto; released a new Saboteur. BRENDON: 24 hour vacation from the house; Rachel came back to the house for 24 hours after being evicted to annoy everyone. BRITNEY: gave the other house guests a luau; she got locked in with Jessie (BB10/11) for weight training advice. LANE: Won $91.17; house guests couldn't use cups, dishes and utensils for a week, house guests had to use sock puppets to speak for 12 hours and dance for 12 hours. SEASON 13: PORSCHE received $10,000 to split with Kalia, but the duo twist was brought back for the week. RACHEL got locked in with Jessie (BB10/11), while the other house guests got to meet Tori Spelling and go on a shopping spree. No houseguest has denied a Pandora's Box invitation.
An infamous moment occurred in season 2 when after an argument Shannon took fellow house guest Hardy's tooth brush and scrubbed the toilet with it and then put it back. She was then informed it was against the rules and was forced to replace it, although at the time did not have to state what she had done with it.
Controversy occurred during a live HOH competition of the final four in season 9 where Julie stated 'There is another pre-existing relationship in the house, true or false.' An suspiciously long silence occurred when the house guests answered and Chen eventually answered true. The show stated that it was the house pets, the two guinea pigs. This controversial answer altered the outcome of the competition and ultimately the game.
The dumbest move in Big Brother history is stated to be in season 3 when contestant Marcellus was able to use the golden power of veto save himself after winning it (the first time it had been introduced) while he was on the block and ultimately decided not to only to be evicted moments later. Ten seasons later, Lawon ultimately made the dumbest move in Big Brother history as he volunteered to be put up for nomination regarding the upcoming twist that season and was ultimately sent home the same night.
Some of the cast of Survivor visited the house guests during season 2 and were involved in a competition. Actor Neil Patrick Harris also visited the house in season 7 as did actor Jeremy Piven in season 11 and David Hasselhoff and Tori Spelling in season 13.
Despite being scrapped in Season 8, All Stars introduced an additional cash prize of $25,000 awarded by America to their favorite member of the Jury of Seven. This was expanded to include all evicted house guests even if they didn't make it to the jury by Season 11 with Jeff being only houseguest to win it twice in both his seasons.
In season 9 a medical emergency occurred when Amanda who has hypoglycemia, collapsed from lack of sugar and being on slop and was taken to a hospital temporarily before returning to the game. Coincidentally another house guest, Allison went into the diary room at the same time having an allergic reaction.
A unitard has made a regular appearance as a prize in a veto competition since season 8. All six house guests who have had to wear it were female. Jen (8), Shelia (9), Michelle (10), Lydia (11-Superhero Unitard), Kristen (12-Hippie Unitard) and Jordan (13-Humilitard). Both Lydia and Kristen were evicted in their costumes, as well as Kail (8) in a rabbit suit and Casey (11) in a banana suit.
House Themes: S1-House centered in field with less isolation. S2-New outdoor set, higher walls and outdoor studio. S3-No significant change. S4-Featured a 'human chessboard'. S5-Sliding glass door to backyard and a fish tank. S6-Newly renovated two story penthouse. S7-House of 'extremes' with neon flames and emotion quotes written on the walls. S8-Alice in Wonderland theme, giant tea cup in back yard. S9-Winter woods and log cabin style, Love quotes across the walls. S10-Retro theme with various decade style rooms and kitchen. S11-Eco friendly style with recyclables and mini garden in back yard. S12-Beach mansion themed style. S13-Venice beach influenced, graffiti on back yard walls.
Due to a ratings boost, the duration of seasons 11 and 12's finale shows were increased to two hours, with the second part of the three part final broadcast live like the third part. Season 13's finale was only 90 min because of the premiere of Survivor.
Season 2 winner Will has stated he would only return for All-Stars if his season 2 partner Mike also joined the season. Producer's agreed and season 3 winner Lisa's All-Star spot was then replaced with Mike who eventually went on to win the game.
Jen (BB8) is the first house guest to purposely defy the food restriction rule and eat while on slop. She was punished with one penalty vote from Big Brother. Since, when a house guest accidentally eats/drinks while on food restriction they are given an extra day on slop.
A technical malfunction during a live HOH competition in season 7 had certain house guests lights and buzzers unable to work properly. Even with obvious errors, Erica was named HOH. Later that evening Julie Chen presented a new HOH competition over the intercom after producers explained that fairness needs to stay intact for all competitions and therefor the competition needed to be redone. Without lights and buzzers, the competition was presented the old fashioned way where Janelle ended up winning.
Season 7 introduced Big Brother slop as the food restriction that replaced peanut butter and jelly from seasons 2-6. All-Stars is also the only season where the HOH bedroom is specifically re-designed each week to match the HOH winner and their individual personality.
In season 1 Julie Chen announced the winner inside the house with the final 2 then making their way outside to a large crowd. Seasons 2-4 had the cast inside the house pulling their own keys while Julie remained in the studio and on the screen while the final 2 emerges to a small number of family and friends outside the house. Beginning with season 5 the cast joins Julie in the studio where she names the votes through the tv screen to the final 2 who are in the house and then emerge to a large crowd outside the house, which has stayed on every season since. In addition streamers fly when the winner walks out of the house starting with season 11.
Following the seventh season in 2006, Arnold Shapiro stepped down as executive producer after holding the title since season 1. His partner Allison Grodner, who joined the show in season 2 than took over as sole executive producer starting with season 8. The casting director Robyn Kass has also been casting the show since it's second season.
With the first being Jen in BB8, Audrey Middleton, BB17 houseguest, is the second houseguest to ever defy a food restriction. The penalty vote that was given to her did not change the outcome of her eviction.