Pinoy Big Brother: 737 is a series of editions held under one season, 737. This is the second special and the twelfth overall season of the franchise, based on the Dutch reality show Big Brother. The show started on June 20, 2015. This season coincides with the tenth year of Big Brother in the Philippines. It is hosted by Toni Gonzaga, Bianca Gonzales, Robi Domingo and Enchong Dee. It began airing on June 20, 2015 on ABS-CBN. The show airs 10:00pm (PST) every Mondays to Sundays.The season started with the entrance of the first batch of housemates: the teen housemates. They will stay inside the House for seven weeks, until August 8, 2015. The next batch of housemates—the regular housemates—entered on Day 50. The four finalists of the teen batch returned to the House on Day 99. After the final eviction on Day 133, the public determines the winner of each batch. In the launch night, the first 7 revealed that the teen housemates will be staying in the house for seven weeks. 3 means that three celebrity houseguests, Mariel, Enchong and Karla, will be staying in the House. On August 21, 2015, during the tenth anniversary celebration, the second 7 was revealed to mean that the regular housemates and the winners of previous seasons will join to raise P3,000,000 in seven weeks, to build a community of 20 houses for 20 families. On October 27, the finale night for both teens and regulars will be held on November 7 and 8, 2015 at Albay Astrodome, Legaspi City, Albay.
- 7:37- time limit where housemates perform a task within 7 minutes and 37 seconds
- LigTask Challenge- A nominated housemate must accomplished a task. and the winner not faced the public vote.
- One Vote Only- Consumers had 1 vote per housemate per sim
- Big Yanig- Tommy, Zeus, Jameson entered the house. Kamille and Mikee as yanig challengers
- Overnight voting- people has power to vote but closes temporary and re-opens.
- Big Jump to the Big 4- Remaining housemates compete to have a sure slot in the finals. This was only held for the regular batch.
- The Show has various twists
- Combines the Teens and Adults
- Has 3 or 5 celebrity enters the house
- 2nd special in the PBB Franchise