On Day 1, the original thirteen HouseGuests entered the house. That same night, the HouseGuests competed as a group in the "Hungry Hungry Helix" food competition. For this competition, HouseGuests had 75 seconds to crawl through a rotating
helix DNA strand with small yellow balls attached to it. Each ball had the name of a food item on it, and each ball they managed to get across the
helix would serve as an eatable food for that week; everyone except Holly successfully earned food for the group. During the competition, Lori obtained the "lobster tail" ball, which she was later instructed to keep. For finding this ball, Lori was offered $10,000 in exchange for putting the house on the peanut butter and jelly diet for the week; she accepted this offer, earning the prize. On Day 2, Drew, Jase, Michael, and Scott formed the "Four Hoursemen" alliance. That same day, Karen, Lori, and Will formed an alliance as they feared Jase and Scott as a duo. Michael later discovered that Nakomis was his sister, but chose not to reveal this to anyone yet. That night, HouseGuests competed in the "Treadmills of Terror" Head of Household competition. HouseGuests paired up, with one member of the team answering questions while the other walked on a treadmill. Each question that a HouseGuest's partner missed caused their treadmill to speed up, and the last pair remaining would be finalists for the title. Due to an uneven number of HouseGuests, Will chose to sit out from the competition. Jase and Scott were the finalists, and it was then revealed that Will would ask them a tie-breaker question to determine the winner; Jase correctly answered, and became the first Head of Household of the season. Shortly after the competition, Michael revealed to Jase and Scott that Nakomis was his sister, and they convinced him to tell her. Big Brother revealed the twist to all of the HouseGuests later that night. On Day 4, the HouseGuests competed in the "Margarita Madness" luxury competition, in which they competed for the hot tub. Mike later began attempting to form an alliance to "protect themselves" from the stronger players. On Day 8, the HouseGuests competed in the Power of Veto competition; Jase chose Scott to play in the competition, with Mike and Nakomis choosing Holly and Drew respectively. In the "Flaringo Toss" Power of Veto competition, On Day 14, Mike became the first HouseGuest to be evicted from the house in a unanimous vote of ten to zero. Following Mike's eviction, HouseGuests competed in the "Majority Rules" Head of Household competition. On Day 15, HouseGuests competed in the "Catapoultry" food competition. Following these nominations, Lori's allies secured the five votes they needed for her to stay in the game. When picking players for the Veto, Marvin chose Drew, Holly chose Jase, and Lori chose Karen. The group then competed in the "Snag the Veto" Power of Veto competition. On Day 18, Jase chose to use the Power of Veto on Holly, with Karen being nominated in her place. On Day 21, Lori became the second HouseGuest to be evicted from the house in a vote of seven to two. Following Lori's eviction, HouseGuests competed in the "High/Low" Head of Household competition. On Day 22, HouseGuests competed in the "Alphabet Soup" food competition. a decision which immediately formed a rift in the Four Horsemen alliance. When picking players for the Power of Veto, Drew chose Scott, Holly chose Jase, and Nakomis chose Natalie (pretending to be Adria). The HouseGuests then played in the "Bluff Me a Veto" Power of Veto competition. On Day 25, Nakomis chose to use the Power of Veto on herself, with Adria being named the replacement nominee. On Day 28, Holly became the third HouseGuest to be evicted from the house in a vote of seven to one. Following Holly's eviction, the HouseGuests competed in the "I Have a Secret" endurance Head of Household competition. Due to the endurance Head of Household, no food competition was held that week. On Day 29, Diane chose to nominate Jase and Scott for eviction. When picking players for the Power of Veto competition, Diane chose Will, Jase chose Michael, and Scott chose Drew. The HouseGuests then competed in the "This Little Piggy Won the Veto" Power of Veto competition. For this competition, each player had ten Veto chips to distribute into six ceramic pigs representing a HouseGuest. They had to use the chips on at least two pigs. The pig closest to having 20 chips inside of it without going over would be the Veto winner. Ultimately, Jase was the winner of the competition. He later made the decision to remove himself from the block, with Marvin becoming the replacement nominee. On Day 35, Scott became the fourth HouseGuest to be evicted from the house in a vote of four to three. Moments later, the HouseGuests learned of the twins twist, and Natalie entered the house as an official HouseGuest. Following Scott's eviction, HouseGuests competed in the "Home Is Where the Answer Is" Head of Household competition. On Day 36, HouseGuests competed in the "Fast Times and Custard Pie" food competition. During the Veto competition, she and her allies would choose three other allies, thus ensuring a member of their team won the Power of Veto. When the Veto was used, she hoped to nominate Jase as the replacement nominee, with the plan ensuring that he could not play for the Power of Veto. On Day 36, Nakomis set forth the plan, nominating Diane and Marvin for eviction. When picking players for the Power of Veto competition, Nakomis chose Adria, Marvin chose Will, and Diane chose Drew. The HouseGuests then competed in the "Pop Goes the Veto" Power of Veto competition. Drew later chose to remove Diane from the block, with Jase being nominated as the replacement nominee. On Day 42, Jase became the fifth person to be evicted from the house in a vote of six to one. Following Jase's eviction, HouseGuests competed in "The Puck Stops Here" Head of Household competition. On Day 43, HouseGuests competed in the "Backyard Burger Bonanza" food competition. When picking players for the Power of Veto competition, Adria chose Drew, Will chose Diane and Marvin chose Michael. HouseGuests then competed in the "A Very Veto Christmas" Power of Veto competition. The HouseGuests later competed in the "Admit One" luxury competition, in which Diane, Drew, and Will earned the right to watch the comedy film
Without A Paddle. Later that week, Adria chose to leave the nominations intact. He was the first member of the Jury of Seven. Following Will's eviction, HouseGuests competed in the "Who Said It?" Head of Household competition. On Day 50, HouseGuests competed in the "Smoothies from hell" food competition. The HouseGuests later participated in "The Web" luxury competition, in which Diane won a $1,000 online shopping spree. She later chose to use the power to save herself, with Nakomis choosing to nominate Michael in her place. On Day 56, Natalie became the seventh HouseGuest to be evicted from the house in a vote of four to one. She was the second member of the Jury of Seven. Following Natalie's eviction, HouseGuests competed in the "Putting for Power" Head of Household competition. On Day 57, Marvin chose to nominate Adria and Michael for eviction. Karen later decided to leave Adria and Michael nominated for eviction. On Day 63, Adria became the eighth HouseGuest to be evicted from the house in a unanimous vote of four to zero. She was the third member of the Jury of Seven. Following Adria's eviction, HouseGuests competed in the "Chemical Reaction" Head of Household competition. Following his win, the HouseGuests learned that it would be a Double Eviction week, and that an eviction would occur the following day. That night, he chose to nominate Diane and Marvin for eviction. On Day 65, HouseGuests competed in the "Bounced" Power of Veto competition. She chose to use the Power of Veto to save herself, with Nakomis being nominated as the replacement nominee. He was the fourth member of the Jury of Seven. Following Marvin's eviction, HouseGuests competed in the "Ready, Set, Gone" Head of Household competition. On Day 65, Nakomis chose to nominate Drew and Michael for eviction. On Day 66, the HouseGuests competed in the "Caged" Power of Veto competition. On Day 70, Karen became the tenth HouseGuest to be evicted from the house in a unanimous vote of two to zero. She was the fifth member of the Jury of Seven. Following Karen's eviction, HouseGuests competed in the "Before or After" Head of Household competition. On Day 71, HouseGuests competed in the "Trashin' the Fashion" luxury competition. The HouseGuests later competed in the "Socket to Me" final Power of Veto competition. For this competition, there were a total of ten boxes, each with the image of that week's Head of Household, nominees, and Power of Veto winner. They were required to electrically link all of the Power of Veto winners to one another in order, and the HouseGuest with the quickest time would win the Power of Veto. Michael was the winner of the competition, giving him his first win of the season. On Day 75, Michael had to use the veto to save a nominee, therefore evicting the other nominee not saved and chose to use the Veto on Diane. With Drew (the HoH), Michael (the Veto winner), and Diane (Vetoed) all immune from eviction, Nakomis was evicted by a Michael's sole vote, making her the sixth member of the jury. Following Nakomis' eviction, HouseGuests competed in the "Earthquake" first round of the final Head of Household competition. Drew was the winner of this competition. Diane and Michael later faced off in the "Twisted twosomes" Head of Household competition, which Michael won. On Day 82, the Jury of Seven chose to award Drew the grand prize in a vote of four to three. ==Episodes==