|Big Brother 18|
|Members|| Frank Eudy|
|HoH Wins||4 (Weeks 2, 3, 4 & 9)|
|10 (Weeks 1, 5, 6, 7, Day 58, Weeks 8 & 10)|
|Veto Wins||5 (Weeks 2, 3, 5, 6 & 7)|
|Lowest Placing Member||Frank Eudy (12/16)|
|Highest Placing Member||Michelle Meyer (7/16)|
Category Four is one of the four teams apart of the team twist introduced on Big Brother 18. The team consists of Frank Eudy, Paulie Calafiore, Michelle Meyer, and Bridgette Dunning. The name was named after a Category Four hurricane. The team quickly dominated the game, winning three of the first four HoHs, 2 of the first three PoVs, and 2 of the four Roadkill competitons.
- Category 4 is the first team on Big Brother 18 to have all its members eliminated.
- Ironically, they were the last team to lose their first member.
- Frank is the only member of the team to not make jury.
- Coincidentally, he is the only member of the team to never win an HoH or a PoV.
- The three members who made the jury were evicted in succession.
- Bridgette placed 9th, Paulie placed 8th, and Michelle placed 7th.
- Category 4 is the only team to have each of its members win at least one individual competition.
- Bridgette and Paulie both won a Head of Household competition and Veto competition, Frank won 2 Roadkill competitions and Michelle won Power of Veto competition.
- This team, along with Team Unicorn, has the most members on jury with three.
- This team is the only team not to have somebody in the final six.
- This team was the only team to have their returning player evicted first.