The competition kicks off with three challenges that will yield a game-changing power—and two unprecedented punishments.

The two-night premiere event continues with the first HoH competition of the summer; who will grab all the power and who will be nominated for eviction?

A tech-themed twist, the "BB App Store," is unveiled. America has the opportunity to get the Houseguests trending, resulting in power apps or punishments that could crash their game.

Will the Power of Veto save either Sam or Steve, or will the new "bonus life" power change the game?

Find out who will be the first person (or robot) evicted from the house, Sam or Steve.

Find out who is the top trending house guest and what power app will they choose? Plus who will Kaitlyn nominate for eviction?

Houseguests compete to win the Power of Veto. During the Veto meeting, the winner of the competition can keep nominations the same, or save someone from eviction for the week. Hosted by Julie Chen.

Who will be evicted from the Big Brother house? Winston... or Swaggy C?

The new Head of Households takes power and nominates two Houseguests for eviction. Hosted by Julie Chen.

Divisions mount with the bromance on the block, and Houseguests spin for the win in a dizzy disco-themed veto competition!

Who will be evicted from the house? Bro Winston or Bro Brett?

Who becomes the new head of household and who will be evicted? And comments by JC and Bayleigh have sparked up intense conversation in the house.

Who will win the Power of Veto and will it be used to save either Haleigh or Kaitlyn from eviction?

Who will be evicted from the House next? Kaitlyn or Rockstar? Plus, will the Bonus Life Power save the evictee?

The battle for HoH begins again and loyalties are questioned. Plus, two Houseguests will be nominated for eviction.

Who will win the Power of Veto and will it be used to save either Brett or Rachel from eviction?

Who will be evicted from the Big Brother house? Brett, or Rachel?

A surprising new power will be unleashed in the house.

Pressure builds after a series of secret powers, shifting alliances, and explosive evictions!

Who will be evicted from the Big Brother house, Rockstar or Bayleigh?. Another HoH competition begins.

Find out who Haleigh nominates for eviction. Plus, it's the final BB H@cker competition. Who will win the secret power to hack the game and how will it affect the nominations?

Who will win the the Power of Veto? And will it be used to save either Angela or Rockstar from eviction?

Who will be evicted from the Big Brother house, Rockstar or Kaycee?

Only 9 Houseguests remain in the battle for $500,000. The winner of the HoH is revealed as well as who he or she will nominate for eviction.

The Houseguests have been berated and blindsided for months, but Zingbot is about to take it to a whole new level!

What will happen at the Veto Meeting?! Plus, which Houseguest will be evicted?

Find out who will win the all-important HoH competition! Who will rise to power? And, who will the new HoH nominate for eviction!?

Who will win the Power of Veto? And, will it be used to save either Fessy or Haleigh from eviction?

Who will be evicted from the Big Brother House, Fessy or Haleigh? Plus, which Juror will battle their way back into the game?!

Find out who becomes the new Head of Household and which Houseguests are nominated for eviction.

Who will win the Power of Veto? And, will it be used to save either Haleigh or Scottie from eviction?

Who will be evicted from the Big Brother House, Scottie or Haleigh?

Who will Kaycee nominate for eviction?

Who will win the Power of Veto? And will it be used to save either Sam or Haleigh from eviction?

Who will be evicted from the Big Brother house? Sam or Haleigh? And who will be the second houseguest sent packing in the Double Eviction?

Chart-topping pop sensation Bebe Rexha visits the Big Brother House for a surprise performance. Plus, the power is up for grabs, who will become the new Head of Household, and which two Houseguests will be nominated for eviction?

Who will win the PoV and will it be used to save either Sam or JC? Plus, another houseguest will be sent to jury on a special eviction episode.

Who will JC nominate for eviction? And who will win the final Veto of the summer? And whose dream of winning it all will come to an end?

Jeff Schroeder makes a surprise visit to the Big Brother house, and the battle for the final Head of Household begins.

Who will win the final three-part Head of Household competition? And which Houseguest will go on to be crowned the winner of Big Brother 20 and take home the half-million dollars?