The first season of the reality game show Pinoy Big Brother premiered on the ABS-CBN network on August 21, 2005 and ran for 112 days until December 10, 2005.

[1] Nene Tamayo was named the show's first ever Big Winner over Jayson Gainza and two other finalists, Cass Ponti and Uma Khouny.

[3] The show's producers stated that the housemates were chosen from 25,000 people who auditioned in Metro Manila, Cebu, and Davao.

$111,000) all-in-all, including the one-million peso cash prize (about $18,000), a house and lot, a Nissan Frontier, an entertainment component system, a Yamaha motorcycle, and a livelihood showcase.

After spending 112 days* inside the house, Nene Tamayo was proclaimed the first Pinoy Big Brother winner in a grand finale on December 10, 2005.

The show, dubbed "The Big Night", was held at Clark Expo Amphitheater in Mabalacat, and was broadcast live.

The four remaining housemates (Cass, Nene, Jason, and Uma), wearing blindfolds and headphones, were taken to Clark Expo Amphitheater from the Big Brother house in Quezon City by a private plane.

Despite the rains that plagued the day of the final, 30,000 people watched "The Big Night," hosted by Willie Revillame, Toni Gonzaga and Mariel Rodriguez.

Pinoy Big Brother Drama Specials was a two-part mini-series showcasing the housemates' acting skills.