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Season guide

Big Brother: Season 17

40 episodes Premiered Jun 24, 2015 Updated Sep 25, 2026

This season brings back the iconic Twin Twist with two sisters swapping out every few days, unbeknownist to the other houseguests. The Battle of the Block makes it return.

Previously on Big Brother

Season 17 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Directly follows the overarching narrative developments of Big Brother Season 16.
  • ⚡ Faction dynamics and core character alliances shift under escalating external stakes.
  • ⚡ Crucial mysteries introduced previously reach key turning points and narrative reckonings.
  • ⚡ Sets up serialized story arcs that build directly toward the climactic season finale.

Season overview

This season brings back the iconic Twin Twist with two sisters swapping out every few days, unbeknownist to the other houseguests. The Battle of the Block makes it return.

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Season 17 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 17 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 17: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

10%
90%
Mytharc (4): Crucial lore & season climaxes
Core (36): Character development & subplots
Side Quest (0): Standalone / filler
S17·E1 Mytharc

Premiere Part 1

Jun 24, 2015 · 45 min

Two surprise guests will kick off the two-night premiere event as the Houseguests will live in a modern steel beach house that features a towering sky bridge, making it the largest

S17·E2 Mytharc

Premiere Part 2

Jun 25, 2015 · 45 min

The remaining Houseguests move in, plus the "BB Takeover" begins as the first surprise guest delivers a game changer!

S17·E3 Core

Episode 3

Jun 28, 2015 · 45 min

Four Houseguests are nominated for eviction and compete in the Battle of the Block competition. Plus, the BB Takeover will twist up the game.

S17·E4 Core

Episode 4

Jul 1, 2015 · 45 min

Who will win the power of veto? And will it be used to save either Jackie or Steve from eviction?

S17·E5 Core

Episode 5

Jul 2, 2015 · 45 min

Will Jackie stay in the Big Brother house? Plus two new HoH's are crowned. Also celebrity super fan Kathy Griffin returns to begin her BB Takeover!

S17·E6 Core

Episode 6

Jul 5, 2015 · 45 min

Tonight, four new Houseguests go up on the block. Plus, Audrey and Da'Vonne go toe to toe.

S17·E7 Core

Episode 7

Jul 12, 2015 · 45 min

It's all on the line with the Veto back in play. Will Da'vonne or John be saved by the golden power?

S17·E8 Core

Episode 8

Jul 9, 2015 · 45 min

Who will get the seventh phone call and win the power of the last laugh and how will it shake up the live eviction? Plus, a new surprise guest will help twist up the game.

S17·E9 Core

Episode 9

Jul 12, 2015 · 45 min

Tonight, which four Houseguests will be nominated for eviction? Plus, will the Twin Twist blow up Liz and Julia's game?

S17·E10 Core

Episode 10

Jul 15, 2015 · 45 min

With Austin dethroned, will HoH Vanessa target James or Jeff? Will the veto screw up her master plan? Plus, Gronk has another surprise for the Houseguests.

S17·E11 Core

Episode 11

Jul 16, 2015 · 45 min

Tonight, either James or Jeff will leave the Big Brother house and two new Houseguests will rise to power. Plus, a love triangle brings Austin to the boiling point.

S17·E12 Core

Episode 12

Jul 19, 2015 · 45 min

Tonight, four houseguests will be nominated, and 90's week continues with a "grunge" inspired Battle of the Block.

S17·E13 Core

Episode 13

Jul 22, 2015 · 45 min

Will the Veto save either Jason or John? Also, an explosive fight leads to shocking consequences and the world premiere of the Wack Street Boys.

S17·E14 Core

Episode 14

Jul 23, 2015 · 45 min

Tonight, will Audrey make it to the live eviction? Plus, two new Heads of Households will be crowned.

S17·E15 Core

Episode 15

Jul 26, 2015 · 45 min

Four new Houseguests will be nominated, and they'll go to war in the Battle of the Block.

S17·E16 Core

Episode 16

Jul 29, 2015 · 45 min

Will the Veto save either Clay or Becky and will Vanessa go through with the plan to take out Austin?

S17·E17 Core

Episode 17

Jul 30, 2015 · 45 min

Tonight, will Becky's game be permanently derailed or will the supermarket cashier check out? Plus, both twins enter the game.

S17·E18 Core

Episode 18

Aug 2, 2015 · 45 min

Tonight, will the Sixth Sense alliance stay in power, or will the other side of the house finally claim victory? Plus, which two houseguests will be nominated for eviction?

S17·E19 Core

Episode 19

Aug 5, 2015 · 45 min

Can the Power of Veto save a showmance or will Clay and Shelli's love be torn apart?

S17·E20 Core

Episode 20

Aug 6, 2015 · 45 min

Will it be Clay or Shelli leaving the Big Brother House? Plus, the Hitmen are back!

S17·E21 Core

Episode 21

Aug 9, 2015 · 45 min

Tonight, who will claim the HoH and which two houseguests will be nominated? Plus, see the shocking fight that happened right before the eviction.

S17·E22 Core

Episode 22

Aug 12, 2015 · 45 min

Tonight, the veto is up for grabs as BB Comics returns. Plus, will Becky go through with taking out Vanessa?

S17·E23 Core

Episode 23

Aug 13, 2015 · 45 min

Tonight, which "Sixth Sense" member will walk out the door? Plus, a second Houseguest is leaving!

S17·E24 Core

Episode 24

Aug 16, 2015 · 45 min

Tonight, see the fallout from Steve's shocking reign of power, plus, a new Head of Household will be crowned and two new Houseguests will go on the block.

S17·E25 Core

Episode 25

Aug 19, 2015 · 45 min

Tonight, will the power of veto save either John or Becky? Plus, will Austin and the twins make a power play against the poker player? And get ready to rock, it's the world premier

S17·E26 Core

Episode 26

Aug 20, 2015 · 45 min

Tonight, will the dentist's brush with glory come to an end? Or will the Colorado girl be forced to take a hike? Plus, your first look inside the jury house and a new battle for po

S17·E27 Core

Episode 27

Aug 22, 2015 · 45 min

Tonight, who will end up running the house and which two houseguest will be nominated?

S17·E28 Core

Episode 28

Aug 26, 2015 · 45 min

Tonight, will the power of veto be used to save either Steve or Johnny Mack? Plus, the roasting robot Zingbot is back!

S17·E29 Core

Episode 29

Aug 27, 2015 · 45 min

Tonight, will the dentist be extracted from the house, or will the trombonist play his final tune? Plus, an epic battle will begin to send one juror back into the house.

S17·E30 Core

Episode 30

Aug 30, 2015 · 45 min

Tonight, which juror will earn their way back into the game and who will gain power as the new head of household? Plus, two new houseguests will be nominated for eviction. And, wil

S17·E31 Core

Episode 31

Sep 2, 2015 · 45 min

Tonight, it's do or die for the country boy and the city girl. Will one of them be saved by the power of veto?

S17·E32 Core

Episode 32

Sep 3, 2015 · 45 min

Will the house say bon voyage to the New Yorker or Miami girl? Plus, it's time for another double eviction!

S17·E33 Core

Episode 33

Sep 6, 2015 · 45 min

Tonight, a new HoH will be crowned. Will Austwins keep the power, or will Steve, John, or Vanessa's secret alliance emerge from the shadows to strike first?

S17·E34 Core

Episode 34

Sep 9, 2015 · 45 min

Tonight, will the showmance be torn apart, or can the power of veto be used to save either Austin or Liz? Plus, the entire house it thrown into an emotional chaos

S17·E35 Core

Episode 35

Sep 10, 2015 · 45 min

Tonight, the wombmates will be split up! Will Liz or Julia be sent to jury? Plus, the final five begin a battle for power.

S17·E36 Core

Episode 36

Sep 13, 2015 · 45 min

Tonight, who will secure their spot to the final four and which two houseguests will be nominated for eviction? Plus, Frankie returns and takes two houseguests on a trip of a lifet

S17·E37 Core

Episode 37

Sep 15, 2015 · 45 min

Tonight, who will claim the power of veto and guarantee their spot in the final four? Plus, which houseguest will be evicted, and who will become the next HoH?

S17·E38 Core

Episode 38

Sep 16, 2015 · 45 min

Tonight, Beastmode Cowboy returns to host the final and most important Veto competition of the season. Plus, another Houseguest will be sent to jury!

S17·E39 Mytharc

Episode 39

Sep 20, 2015 · 45 min

Tonight, the battle for the final HoH begins. Plus, the final three celebrate and re-cap the summer.

S17·E40 Mytharc

Episode 40

Sep 23, 2015 · 45 min

Who will the jury crown as the winner of Big Brother? Plus, who did America vote as their favorite Houseguest?

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