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A time-warping new season of Big Brother begins as 14 new houseguests turn back time and collide with the past's greatest reality legends in three era-spanning competitions. Then, tragedy strikes in the Jurassic Period and a houseguest meets their untimely demise.

A new season of Big Brother: Unlocked kicks off with hosts Taylor Hale and Derrick Levasseur dishing all the never-before seen drama from the Big Brother 28 house, joined by new co-host Jerry O'Connell! Then, BB legend Rachel Reilly tells-all about her experience meeting the new houseguests and everyone makes their predictions for the upcoming season.

The first Head of Household of BB28 will be crowned! And the first three nominees of the summer will hit the block. Plus, is it showmance o'clock already?

It's the inaugural Veto competition of the season, with a couple of BB legends joining the fun. Who will win the Golden Power of Veto? Will it be used to save one of the nominees?

Ashley, Taylor, and Yash compete in the BB Block Buster! Who will win safety, and who will be the first evicted?

America, find out who you sent into the BB Time Capsule. What power or punishment will be unleashed? Plus, who will become the new Head of Household? And which three Houseguests will hit the block? Then, it is the craziest Nomination Ceremony in BB history!

Tears, fights, and an egg ready to crack. Then, the Power of Veto is on the line! Will it save one of the nominees from doom?

Tonight Rome, Melody, and Jason go to battle at The BB Blockbuster. Who will escape the chopping block, and which of them will be the next sent packing?

Jerry, Taylor, and Derrick break down the crazy week that was! Watch the fallout from the emotional eviction. The powers and punishments within the BB Time Capsule are revealed! A body-slamming Head of Household competition kicks off, and Celebrity Big Brother alumnus Ross Mathews gives his unique insight into the game.

Tonight who will piledrive into power, and which three houseguests will be nominated next?

Will Kamu's plan come to fruition? It all comes down to a pickle of a Veto Competition... and tea will be spilled.

Mallory, LaTrice, and Jason go to battle in the BB Blockbuster - who will save their game, and who will be the next Houseguest sent packing?

The Head of Household is back up for grabs! Who will slay their way to power?

With Drew in danger, will the Toolshed have his back or stab him in it? Then, the Power of Veto is on the line. Can a nominee win their safety? Plus, BB 27’s Morgan is back!

Will the BB Blockbuster be Drew, Lyric or Melody's salvation? Which one of them will be the next sent home?

Jerry, Taylor, and Derrick welcome BB19 winner Josh Martinez!

Learn how the shocker of the season took shape. Then, the House goes to war on the Wall! Who will become the new HOH and who will they nominate for eviction?

The Power of Veto is up for grabs. Whose game will be staying alive? Plus, run for cover! Mount St. Angela is about to erupt!

Barrett, Chuk, and Haley will clash at The BB Block Buster! One of them will win safety, and one will be the next Houseguest sent packing!

The Head of Household is back up for grabs! Who will ascend into power? Plus, in the BB Time Capsule, Devens won the Diamond Power of Veto and Dee earned the BB Bribe. Will the houseguest you choose win a power inside the Time Capsule tonight, or will a punishment be unleashed?

The Power of Veto is up for grabs at the iconic OTEV competition. Who will win the Golden Power? Plus, with his top ally in jeopardy, will Devens unleash his Diamond Power?

It's the fallout from the shocker of the season; then Angela, Haley, and Kamu clash at The BB Block Buster. One will win safety, and one will be the next evicted.

After a week of crazy gameplay, the Head of Household is back up for grabs! Who will win and who will they nominate for eviction? Then, who did you choose to be the final Houseguest to enter the BB Time Capsule, and what power or punishment will they earn? Plus, BB legend Paul surprises the Houseguests! And speaking of legends, the BB Unlocked crew welcome Danielle Reyes to help kick off this supersized episode.

The fireworks continue! Then, the Power of Veto is on the line. Will one of the nominees win safety?

The historic night will feature surprise appearances from former Houseguests determined by interactive fan votes and kick off the biggest twist of the summer. The episode will look back at some of the most memorable moments from the show's historic 26-year run and shift into overdrive with the BB Blockbuster and a live eviction.

An all-new never before seen twist is unleashed! And it will have dire consequences for one of the Houseguests.

Who will Barrett choose and which Houseguest will have their Big Brother game ended? Then, Zingbot arrives to roast the final nine! Plus, a new Head of Household will be crowned, three new nominees hit the block, and a veto will be won.

Devins, Lala, and Taylor go to battle! Will the Survivor survive The BB Blockbuster, or will an Icon be the first member of the BB jury?

It's the fallout from the Eviction. Jerry, Taylor, and Derrick welcome Jay Mohr to break down the crazy week in BB. Zingbot has an encore performance, and no one is safe! The next Head of Household Competition kicks off!

With only eight remaining and the house split in two, it’s a must-win Head of Household competition! Who will ascend into power? Plus, Dee and Devens have been ride-or-die since Day 1, but are the Survivor Icons ready to turn on each other?

The Nom Ceremony conflict continues! Then, the Veto is on the line in the legendary BB Comics Competition! Will one of the Icons save their game?

Angela, Devens, and Dee go to battle in the BB Blockbuster! Who will survive, and which icon will be sent to the jury?

With only seven remaining, a crucial Head of Household is up for grabs! Who will earn power? And which three Houseguests will hit the block?!

The Power of Veto is on the line in the Pressure Cooker competition! Will Drew, Barrett, or Melody endure and earn their safety?

Barrett, Melody, and Taylor battle in the final Block Buster of the summer! Who will win, and who will be sent to jury? Then another houseguest will be sent packing because its a doub eviction baby!! A full week of gameplay in one nonstop night! Will one of the Survivors go, or is another newbie next? When the dust settles who will make the final five?

The fallout from the shocking Double Eviction! Jerry and Derrick welcome BB 26 winner Chelsie. Along with special guest James Gunn. Plus, the BB Awards, chosen by you, America! We launch the vote for America's Favorite Houseguest.

See everything you missed during the jaw-dropping double! Then, season 27 runner-up Vince returns to kick off a crazy new twist! Plus, they survived the Pressure Cooker, but can they survive one of the most excruciating HOH comps ever?! Who will stack up power, and which two Houseguests will be nominated?

Find out who Devens nominates! Then, the Houseguests return to Egypt to try and secure the Veto. Plus, someone’s game will come to an end in the dreaded Egyptian Eviction! And when the dust settles, the final four will be set.

Three Crossovers are left, two Icons have survived, and one Taylor remains. Which one will win the Head of Household? Who will secure the final and most important Veto of the season? And ultimately, which one will be sent to jury next? We are one week away from crowning a winner, and tonight we get down to the final three.

It’s the fallout from Dee’s eviction. Then, hilarious moments from the summer you haven’t seen! And Melody’s Jury House arrival erupts into fireworks! Plus, Part 1 of the three-part, final Head of Household Competition kicks off!

Devens, Drew, and Taylor embark on the endgame. Who will win the three part Head of Household competition and earn the power to cast the last eviction vote of the season. The jury also returns to pick the winner of the three quarters of a million dollars grand prize!

A season of time travel mayhem concludes with a thrilling finale with three HOH competitions and a vote to crown a winner! Will it be Drew, Taylor or Devens who wins it all?