第 21 季 共 40 集
播出时间：2019年6月26日
第 1 集 Episode 1
播出时间：2019年6月26日
BIG BROTHER brings the great outdoors to the Houseguests as they embark on their journey living in a house inspired by summer camp in Season 21. And, this season will feature a first-of-its kind twist that will force houseguests to rethink how they play the game! This season's cast includes a wine safari guide, a preschool aide, a Broadway performer, a petroleum engineer and a therapist, among others.
第 2 集 Episode 2
播出时间：2019年6月27日
Jackson must banish four houseguests and put their game in jeopardy, sending them into the Big Brother wilderness. Who will make it back to Camp B.B.? And who will be sent packing?
第 3 集 Episode 3
播出时间：2019年7月1日
Which two Houseguests will be nominated for eviction? Plus, there's a new twist in the game where a secret power is up for grabs!
第 4 集 Episode 4
播出时间：2019年7月3日
It's the first VETO of the Summer, will it be used to save one of the nominees? Plus, BB20 winner Kaycee returns to surprise the Houseguests. There are also signs of cracks in the Gr8ful alliance.
第 5 集 Episode 5
播出时间：2019年7月4日
Who will be evicted from the Big Brother house, Kathryn or Ovi? Plus, how will the house react when a shocking new twist is unleashed?
第 6 集 Episode 6
播出时间：2019年7月8日
The next Whacktivity competition! Who will win and what secret power will they receive?
第 7 集 Episode 7
播出时间：2019年7月11日
Who will win the Power of Veto? And, will it be used to save either Jessica or Kemi from eviction? Find out on the next BIG BROTHER!
第 8 集 Episode 8
播出时间：2019年7月12日
Who will be evicted from the Big Brother House and join Camp Comeback? Will it be Kemi or Jessica?
第 9 集 Episode 9
播出时间：2019年7月15日
Who will Nick nominate for eviction? Plus, find out who will win the last Secret Power in the final Whacktivity Competition; it's a classic BB Power returning to the game!
第 10 集 Episode 10
播出时间：2019年7月18日
Who will win the Power of Veto? And will it be used to save either Cliff, or Jessica from eviction?
第 11 集 Episode 11
播出时间：2019年7月19日
Who will be evicted, Cliff or Nicole? Plus, one member of Camp Comeback will earn a second chance at the game while three will be evicted for good.
第 12 集 Episode 12
播出时间：2019年7月22日
Cliff is back in the game. Tune in to see his triumphant return. Plus, we crown a new Head of Household. Who will rise to power, and who will they nominate for eviction?
第 13 集 Episode 13
播出时间：2019年7月25日
Who will win the Power of Veto and will it be used to save either Jackson, Michie or Jack from eviction?
第 14 集 Episode 14
播出时间：2019年7月26日
Who will be evicted from the Big Brother house, Jack or Bella?
第 15 集 Episode 15
播出时间：2019年7月29日
Who will emerge from the epic endurance competition as the new HoH, and which two players will be targeted next for eviction?
第 16 集 Episode 16
播出时间：2019年8月1日
Who will win the Power of Veto? And, will it be used to save either Sam or Nick from eviction?
第 17 集 Episode 17
播出时间：2019年8月2日
Who will be evicted from the Big Brother house? Sam or Kat?
第 18 集 Episode 18
播出时间：2019年8月5日
Find out who wins the crucial Head of Household competition.
第 19 集 Episode 19
播出时间：2019年8月8日
Who will win the Power of Veto? And, will it be used to save either Michie or Jack from eviction?
第 20 集 Episode 20
播出时间：2019年8月9日
Who will be evicted from the Big Brother house, and become the first juror?
第 21 集 Episode 21
播出时间：2019年8月12日
Three Houseguests will compete in America's Field Trip. Who will become the third nominee for eviction? Who will be punished and who will be safe for the week?
第 22 集 Episode 22
播出时间：2019年8月15日
Who will win the power of veto? And will it be used to save either Christie, Cliff or Kat from eviction?
第 23 集 Episode 23
播出时间：2019年8月16日
Who will be evicted from the Big Brother house, Cliff or Kat?
第 24 集 Episode 24
播出时间：2019年8月19日
See who wins the Head of Household Competition and the Power of Veto is back up for grabs.
第 25 集 Episode 25
播出时间：2019年8月22日
Who will win the Power of Veto, and will it be used to save either Analyse or Christie from eviction?
第 26 集 Episode 26
播出时间：2019年8月23日
Who will be evicted from the Big Brother house and sent to jury? Sis, or Christie?
第 27 集 Episode 27
播出时间：2019年8月26日
Who did you vote to take away half of Holly's power as Head of Household? And who will that Prankster Houseguest nominate for eviction?
第 28 集 Episode 28
播出时间：2019年8月29日
Who will win the Power of Veto, and will it be used to save either Nick or Christie from eviction? And Zingbot returns to roast the Final 8.
第 29 集 Episode 29
播出时间：2019年8月30日
Who will be evicted from the Big Brother House? Nick or Christie?
第 30 集 Episode 30
播出时间：2019年9月2日
We're getting closer to crowning the winner of the half million dollar grand prize, but there is still a whole lot of game to be played! Next, who will become the new Head of Household?
第 31 集 Episode 31
播出时间：2019年9月5日
Who will win the Power Of Veto? And will it be used to save either Jessica or Christie from the block?
第 32 集 Episode 32
播出时间：2019年9月6日
Who will be evicted from the Big Brother House, Jessica or Cliff? And who will follow them out the door because it's double eviction night?
第 33 集 Episode 33
播出时间：2019年9月9日
A new head of household is crowned; two houseguests are put on the block for eviction.
第 34 集 Episode 34
播出时间：2019年9月12日
Who will win the Power of Veto, and will it be used to save either Tommy or Cliff from eviction?
第 35 集 Episode 35
播出时间：2019年9月13日
Who will be evicted from the Big Brother house, Tommy or Holly?
第 36 集 Episode 36
播出时间：2019年9月16日
It's the home stretch, and they're all gunning for control.
第 37 集 Episode 37
播出时间：2019年9月19日
Who will win the final and most important veto of the season, and guarantee themselves a spot in the Final 3?
第 38 集 Episode 38
播出时间：2019年9月20日
Who will be evicted and who will end up in the final 3? Plus, it's been a wild few weeks in the jury house and you will see it all.
第 39 集 Episode 39
播出时间：2019年9月23日
Julie Chen Moonves sits down with last season's final three to hear their thoughts on the upcoming finale. Plus, part one of the final HoH plays out in its entirety.
第 40 集 Episode 40
播出时间：2019年9月26日
Find out will win the final and most powerful HoH of the summer. And who the jury will choose to get the $500,000 prize.
