Pinoy Big Brother: Teen Edition 4 is the fourth teen edition and the tenth series overall of Pinoy Big Brother. The show premiered on Easter Sunday, April 8, 2012. Toni Gonzaga, Bianca Gonzales and Robi Domingo reprised their roles as hosts. They are joined by Pinoy Big Brother: Celebrity Edition 1 ex-housemate John Prats.
Auditions were held in major key cities in the Philippines and other parts of the world. A total of 22,305 teens auditioned for the season. Fifteen housemates entered this season, nine on opening night and six on Day 2.