The tribes switched their members on Wednesday night's episode of Survivor: Blood vs. Water.

Galang Tribe: Aras Baskauskas, Gervase Peterson, Kat Edorsson, Laura Boneham, Monica Culpepper, Tina Wesson and Tyson Apostol

Tadhana Tribe: Caleb Bankston, Ciera Eastin, Hayden Moss, Katie Collins and Vytas Baskauskas

Redemption Island Inhabitants: Brad Culpepper, John Cody and Laura Morett.

The episode began with the Galang tribe returning from their first Tribal Council. Laura B. was enthused that she wasn't the one to be voted out. Aras realized that he had become a "ringleader" in their tribe. This didn't go unnoticed by Tyson and Gervase, who had a discussion about possibly targeting "King Aras" next.

The castaways then gathered for the next Redemption Island duel. Ciera admitted that she had a feeling that her mother Laura M. had been voted out. Host Jeff Probst then explained the rules of the duel: Brad, John and Laura M. were tasked with racing across a balance beam and collecting bags of numbered tiles. They then had to put the tiles in order from 1 - 100. The first two to finish would stay in the game while the loser would be eliminated.

Laura M. held the lead throughout the challenge and came in first. The battle came down to Brad and John with the latter barely inching out the former and staying in the game. Brad officially became the sixth person eliminated from the game. As winner of the duel, Laura M. was able to give the hidden Immunity Idol clue to one the remaining players in the game. She gave the clue to Vytas, explaining that having a clue makes that player a target. Vytas promptly threw the clue in the fire.

Before they left, Probst announced that there would be a tribal shakeup. The castaways drew buffs at random, revealing the new tribes as follows:

New Galang: Kat, Katie, Laura B., Monica, Tina and Vytas.

New Tadhana: Aras, Caleb, Ciera, Gervase, Hayden and Tyson.

At the new Tadhana tribe, Hayden was upset that the three new guys were eating a lot of their food. Meanwhile, at Galang, Vytas was feeling outnumbered as the only man on his tribe.

The new tribes then participated in the next Immunity Challenge. The challenge involved the tribes racing out to a cage and releasing a gate to reveal a fish trap. They would then swim it back to shore. They would then use puzzle pieces inside the three fish traps and solve a vertical puzzle.

Tadhana won the challenge, meaning Galang would be forced to vote somebody out of their tribe at Tribal Council.

Back at camp, Kat told Tina that she was worried about Monica strategizing too much. Tina immediately told Monica about Kat's comments, which caused Monica to not trust Kat and make her her new target.

At Tribal Council, Kat begged for her fellow women to stick together but she did not get her wish. Kat was officially voted out unanimously from her tribe, sending her to Redemption Island.

The next episode of Survivor: Blood vs. Water airs Wednesday, Oct. 30 at 8 p.m. on CBS.

Watch Wednesday night's episode of Survivor here.