Big Brother - Season 15

16 new Houseguests move into the Big Brother house and will spend the summer competing for $500,000.

This season's first HOH, McCrae, must choose who he will nominate for eviction. Meanwhile, "showmances" begin to blossom in the Big Brother House, and Elissa's secret may be exposed.

Tensions rise in the Big Brother house as McCrae faces the backlash of the two houseguests he nominated for eviction and America chooses the first Big Brother MVP who also nominates a houseguest. Also, the houseguests compete for the power of veto which could change everything. Marcela Valladolid from the CBS show "The American Baking Competition" guest-stars.

It's the first live episode of the season and one of three Houseguests up for eviction will be sent packing.

The results of the HOH are in. The new HOH chooses two people for eviction and new alliances are made.

The second MVP of the season is named as the Power of Veto is once again up for grabs. Plus a Big Brother favorite returns with surprising news for the Houseguests.

Another houseguest is eliminated as the remaining houseguests gear up for the next HoH competition.

The new HOH chooses two people for eviction and the house is divided between two big alliances.

A new MVP is in the house and there is a new house guest up for eviction. Plus, will the power of veto be used on one of the three nominees?

Aaryn, Spencer and Jeremy are up on the block. Whichever houseguest goes home, the house wins.

As Judd nominates two Houseguests for eviction, tensions run high and two Houseguests begin to turn on each other. Also, a new showmance begins to blossom.

The house guests find out who America voted for as the third nominee for eviction. Plus, they get down and dirty in a fight for the veto.

Three girls are nominated for eviction and the claws are coming out on tonight's live episode.

After winning HOH, Aaryn must decide whether to honor a deal she made with other the Houseguests. And, the pressure of the game starts to take its toll on Candice and Howard.

The Houseguests still have no idea that America is the MVP, and your nominee shocks the house! Also, it's a battle back in time for the veto.

She's kept calm in the chaos but no more miss nice girl as another houseguest is sent packing.

With another Houseguest out the door, a battle for HoH resumes with a surprising winner, all leading to a dramatic nominations ceremony.

America's pick for the third nominee will be named and all three must battle it out in the Veto competition.

With one live veto competition and a double eviction hanging over their heads, the Houseguests are freaking out on this special live episode of Big Brother.

Watch the dramatic turn of events that lead to Judd's unexpected eviction. The HOH competition reveals where loyalties lie.

Their numbers are dwindling, and the Houseguests can't hide their alliances anymore. Will the veto save one of the nominees?

In the Big Brother house, be careful who you nominate. Another Houseguest joins the jury.

With only 8 Houseguests left, the pressure begins to build. Also, the Houseguests play a competition that leaves them completely in the dark.

Helen and Elissa fight for their lives in the veto competition. Plus Aaryn and Amanda go head to head.

A power player and a perennial pawn are both up on the chopping block, and for the first time in Big Brother history, a Jury member will fight for a chance to come back!

A new HOH is crowned and one of the Jury members returns with a vengeance!

Elissa is HOH and ready to flip the house, and Zingbot returns.

Will Big Brother's most deceptive power couple lose their strongest competitor or their stealthiest informant?

Will the power shift as a new head of household is crowned? Plus, will 'Macranda' continue to run the game?

Amanda melts down after being nominated. Plus, who will win the power if veto and will it be used to save Amanda or McCrae?

Big Brother's queen bee attempts to claw her way out of trouble along with the teflon pawn on a Double Eviction episode.

With only 5 Houseguests left, no one is safe from the chopping block. Also, a new Head of Household is crowned.

Can McCrae out play the exterminators in the Veto competition in order to save himself? Plus, Big Brother winner Ian is back and another Houseguest will be evicted.

The final four become three. There's only one last nomination ceremony, one last veto challenge, and one last chance to compete in the live Season Finale!

The Exterminators must now fight against each other as the final three-part HOH competition begins. Plus, Andy, Spencer, and Ginamarie look back on the most emotional, volatile, and humorous memories of the summer.

After a summer of controversy, outrageous behavior, showmances, tears, and epic battles, it all comes down to this. Who will win the final HoH and walk away with a half a million dollars?