The first season of the reality game show Pinoy Big Brother: Teen Edition (retroactively known as Teen Edition 1 to differentiate it from Teen Edition Plus, Teen Clash 2010, and the fourth edition) premiered on the ABS-CBN network on April 23, 2006 and ran for 42 days until June 3, 2006. This edition features civilians aged thirteen to nineteen; the next editions, including those from merged editions, would also follow suit. Unlike its British counterpart, this edition closely resembled its regular counterpart, with additional rules imposed for the teen housemates. The season featured a fast-paced gameplay, with double evictions happening every week, until four teen housemates remained for the final. Kim Chiu was named the series' first "Teen Big Winner" after 42 days of competition against runner-up Mikee Lee and finalists Gerald Anderson, and Clare Cabiguin who placed third and fourth, respectively.

Development

Auditions

During the last few days of the first celebrity season, auditions in Cebu City, Davao City, and Metro Manila were announced, and 30,000 teenagers answered the audition call. Of these, twelve housemates were selected: eight represented the Luzon area, while four came from Visayas and Mindanao.

Overview

The house

For this edition, the house was redecorated with a pop art theme. The colours of the walls were changed, and even the living area had a mural with pop art depictions of Mao Zedong, Bruce Lee, and Marilyn Monroe, to name a few. The housemates were also provided with a foosball table and some trampolines.

Hosts

Mariel Rodriguez took over as main host of the primetime edition, while former Celebrity Edition contestant Bianca Gonzalez hosted the UpLate edition of the show. Toni Gonzaga, on the other hand, reprised her role as host during the finale.

Theme song

The theme song for this edition was Kabataang Pinoy (Filipino Youth) by Itchyworms. The new theme song was first performed by the band during the first Celebrity Edition's finale on April 1, 2006.

Prizes

The prizes for the Big Winner included a condominium unit in Valenzuela City, a livelihood showcase, one million pesos, and an all-expense-paid trip to any Philippine destination.

Housemates

The twelve initial housemates were introduced in the grand welcome party on Day 1, April 23, 2006, near the facade of the Pinoy Big Brother house. They were transported through motorbikes before they were introduced onstage and were sent to enter the house. The ages of the housemates were their ages as of the time of their entry to the Big Brother house. Origin indicates where the housemates were born or based before joining the program. As a result of Aldred Gatchalian's voluntary exit on Day 7 and Bam Romana's forced eviction on Day 14, two replacement housemates were introduced in the house. On Day 9 (May 1, 2006), Joaqui Mendoza entered the Big Brother house as Aldred's replacement, while on Day 15 (May 7, 2006), Brenda Fox entered as Bam's replacement.

Chronology

For the first week, traffic lights and road signs were installed in the house to teach the housemates about the traffic rules in place in their country.

Nomination History

The housemate first mentioned in each nomination gets two points, while the second gets one point. As two housemates will go out every week, three nominees are put up for eviction every week. For the first nomination, one housemate was evicted for two consecutive evictions on Day 11 and 14. For the next three eviction nights, on Day 21, Day 28 and Day 35, two housemates were evicted per night. He was replaced by Joaqui. : As Aldred's replacement, Joaqui entered the house. He was not able to take part in the nominations for the week and hence, is exempt from eviction. On Day 14, Bam was forcibly evicted due to his violations. See Elimination notes section. : On Day 15, Brenda entered the house as Bam's replacement; for being a new entrant she was exempt from that week's nominations. : Open voting was announced after Matt and Olyn's exit from the house.

Elimination notes

Big Night

On June 3, 2006, at the Aliw Theater in Pasay, Kim Chiu was crowned the winner of the first Teen Edition, garnering 41.4% or 626,562 votes of the final votes cast since Day 29. Mikee Lee came in second with 20.7% or 313,032 votes, while Gerald Anderson in third with 19.4% or 293,234 votes. Clare Cabiguin was the first to come out among the final four, garnering 18.5% or 279,390 votes. A record 1,512,218 votes were cast in the Big Night. The Teen Big Four entered in a boat and was escorted to a waiting room. Soon the winners were declared one after the other. The Big Night was entitled A Fairy Tale Finale, therefore all the sets and costumes were fairy tale related. The final four were also addressed as princes and princesses. The Fourth and Third Big Placers received a cash prize of PhP 100,000, a college scholarship and a trip to a local destination. The Second Teen Big Placer received a cash prize of PhP 500,000, a college scholarship and a trip to a local destination. The Teen Big Winner received a cash prize of PhP 1,000,000, a college scholarship, a trip to a local destination and a condominium unit to Chatteau Valenzuela. The finale also marked Toni Gonzaga's return to the show as host.