Specials

2006 | 2 Episodes

Specials of Big Brother premiered on June 21, 2006

Various specials shown before a season of Big Brother starts.

Season 1

2000 | 70 Episodes

Season 1 of Big Brother premiered on July 5, 2000

Big Brother 2000 was a near-exact port of the hit Netherlands (Holland) series of the same name. Every week, Housemates would nominate two fellow housemates and the two or more housemates with the most nominations were eligible for banishment. American viewers could then call a 1-900 number and cast a vote to banish a HouseGuest.

Season 2

2001 | 30 Episodes

Season 2 of Big Brother premiered on July 5, 2001

This season brings a complete reformatting of Big Brother 1. The introduction of the Head of Household (HOH). The HOH nominates two houseguests for eviction. The fellow contestants vote, and the player with the most votes is evicted. On finale night, all former houseguests returned to vote for who they think should win the grand prize.

Season 3

2002 | 32 Episodes

Season 3 of Big Brother premiered on July 10, 2002

This season brings about more changes to the Big Brother format - the introduction of the Silver and Golden Power of Vetos.

The X-Factor

2003 | 33 Episodes

The X-Factor of Big Brother premiered on July 8, 2003

In this season's twist, ten of the thirteen houseguests are shocked to learn that they will compete alongside their exes. In addition, introduction of the Diamond Power of Veto and the sequestered Jury.

Season 5

2004 | 31 Episodes

Season 5 of Big Brother premiered on July 6, 2004

In this season's twists, there are two sets of pre-existing relationships in the house - secret twins and long lost siblings.

Season 6

2005 | 30 Episodes

Season 6 of Big Brother premiered on July 7, 2005

In this season's twist, every houseguest enters the house with a secret partner - believing they were the only pair. If both can reach the end, the winner would receive a grand prize of $1,000,000 and the runner-up, $250,000.

All Stars

2006 | 28 Episodes

All Stars of Big Brother premiered on July 5, 2006

Fourteen of the best and most iconic Big Brother Houseguests make their return to compete for the $500,000 grand prize.

Season 8

2007 | 33 Episodes

Season 8 of Big Brother premiered on July 4, 2007

In the season's twists, 3 houseguests are shocked to learn their "enemy" will be entering the game - ex best friends, ex-boyfriends, and an estranged father and daughter.

Season 9

2008 | 33 Episodes

Season 9 of Big Brother premiered on February 11, 2008

In the season's twist, every houseguest would compete, be nominated, and be evicted as couples.

Season 10

2008 | 29 Episodes

Season 10 of Big Brother premiered on July 12, 2008

Season 11

2009 | 30 Episodes

Season 11 of Big Brother premiered on July 9, 2009

Season 12

2010 | 30 Episodes

Season 12 of Big Brother premiered on July 7, 2010

Season 13

2011 | 29 Episodes

Season 13 of Big Brother premiered on July 6, 2011

In the twist of the summer, three Dynamic Duos of iconic previous houseguests make their return for another chance to win - Dick and Daniele, Jordan and Jeff, Rachel and Brendon.

Season 14

2012 | 30 Episodes

Season 14 of Big Brother premiered on July 11, 2012

In the season's twist, four previous houseguests return as Coaches to build a Big Brother dream team - a $100,000 prize awaits the coach who picks the Big Brother winner.

Season 15

2013 | 36 Episodes

Season 15 of Big Brother premiered on June 25, 2013

Season 16

2014 | 40 Episodes

Season 16 of Big Brother premiered on June 25, 2014

This season's twist brings about the Battle of Block - two HOHs, 4 nominations, and the chance of an HOH being evicted.

Season 17

2015 | 40 Episodes

Season 17 of Big Brother premiered on June 24, 2015

This season brings back the iconic Twin Twist with two sisters swapping out every few days, unbeknownist to the other houseguests. The Battle of the Block makes it return.

Season 18

2016 | 42 Episodes

Season 18 of Big Brother premiered on June 22, 2016

Season 19

2017 | 39 Episodes

Season 19 of Big Brother premiered on June 28, 2017

Season 19's new twist is called “Summer of Temptation,” where the Houseguests will be challenged like never before as they embark on a season of tempting offers that could give them money, power and safety in the game. But, they will need to be careful, because for every temptation taken, there will be a consequence to face. This season's house reflects the temptation twist with words like Money and Revenge hanging on the wall, constantly reminding the Houseguests that the game never stops.

Season 20

2018 | 40 Episodes

Season 20 of Big Brother premiered on June 27, 2018

Season 21

2019 | 40 Episodes

Season 21 of Big Brother premiered on June 25, 2019

All Stars 2

2020 | 37 Episodes

All Stars 2 of Big Brother premiered on August 5, 2020

Sixteen former Houseguests return to the game for a second chance at the grand prize of $500,000.

Season 23

2021 | 37 Episodes

Season 23 of Big Brother premiered on July 7, 2021

Season 24

2022 | 34 Episodes

Season 24 of Big Brother premiered on July 6, 2022

Season 25

2023 | 42 Episodes

Season 25 of Big Brother premiered on August 2, 2023

It is the Summer of the BB Multiverse. Three former Houseguests enter the house and unleash four universes onto the house. The Comic, Humili, Scary, and Scramble-verses unlock new twists and themed competition.

Season 26

2024 | 39 Episodes

Season 26 of Big Brother premiered on July 17, 2024

This season is the Summer of Artificial Intelligence. A.I. bots Ainsley and Jankie take over and introduce a brand new competion that changes the game - the A.I. Arena.

Season 27

2025 | 39 Episodes

Season 27 of Big Brother premiered on July 9, 2025

This season is the Summer of Mystery as the Houseguests enter the Hotel Mystère, a place where secrets lurk behind every door and nothing is as it seems. This season celebrates the 25-year anniversary of the series as a whole.