Julie Chen returns to host the eighteenth season of Big Brother.

Big Brother - Season 18 Episode 1 Season Premiere (2)

New twists are revealed.

A new weekly competition is revealed.

The Power of Veto competition is held.

Another houseguest is evicted from the compound.

Nominations for eviction are revealed.

The Power of Veto competition is held.

Another houseguest is evicted from the compound.

House guests vie for the power of veto.

A house guest is evicted; the head of household competition.

The new head of household moves rooms and nominates two people for possible eviction; the winner of the roadkill competition chooses a third nominee.

House guests vie for the power of veto.

The first five evicted house guests compete in "Battle Back" competitions; the last evictee standing will return to the game for another chance at the $500,000 prize.

Nous ne disposons d'aucun synopsis. Votre contribution est la bienvenue !

Nous ne disposons d'aucun synopsis. Votre contribution est la bienvenue !

Nous ne disposons d'aucun synopsis. Votre contribution est la bienvenue !

Nous ne disposons d'aucun synopsis. Votre contribution est la bienvenue !

Nous ne disposons d'aucun synopsis. Votre contribution est la bienvenue !

Nous ne disposons d'aucun synopsis. Votre contribution est la bienvenue !

Nous ne disposons d'aucun synopsis. Votre contribution est la bienvenue !

Nous ne disposons d'aucun synopsis. Votre contribution est la bienvenue !

Tonight either Zakiyah or Michelle will be evicted, but they won't be alone as it's double eviction night!

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The Power of Veto competition is held.

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A county fair-themed episode includes competitions for the houseguests to win prizes, perks and power. Also: Reggae artist Ziggy Marley makes a surprise appearance and performs "Weekend's Long."

Nominations for eviction are revealed.

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Tonight, either Victor or Corey will be evicted and join the other jurors in an epic battle to return to the game.

Which jury member will make it back into the Big Brother house, and which current Houseguest will win HoH? Plus, America awards its final care package of the summer.

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Which houseguest will "Egg-cel" to become the new HoH and with three duos left in the game, which pair will end up on the block?

Tonight, can the Power Of Veto save James or Natalie? Plus, will being on the block together tear them apart?

Tonight, either James or Natalie will leave the game but will they be torn apart before a single vote is cast? Plus, Michelle arrives at the jury house and BB favorites, Jeff and Jordan are back.

Season 18, Episode 38

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It's the final and most important veto of the summer. Who will secure their safety and who will be evicted. Plus, emotions explode at the jury house.

The battle for the final HoH begins. Plus the Final Three celebrate the Summer.

Who will become the final HoH and who will make it to the final 2? Thirteen houseguests have departed and tonight, nine will have to make a difficult decision. Who will be crowned winner of Big Brother and walk away with the half million dollar prize, and who did America vote as their favorite houseguest?