Kingdom Come is the twentieth and season finale episode of the third season of The Fosters. It premiered on March 28, 2016. It was the sixty-second episode.
Callie makes a shocking discovery following a tragic loss; Mariana feels guilty after Nick gives her an expensive present; Brandon finds himself in a dilemma after Cortney's ex-husband kicks her out of their apartment.
- Teri Polo as Stef Adams Foster
- Sherri Saum as Lena Adams Foster
- Hayden Byerly as Jude Adams Foster
- David Lambert as Brandon Foster
- Maia Mitchell as Callie Adams Foster
- Danny Nucci as Mike Foster
- Cierra Ramirez as Mariana Adams Foster
- Noah Centineo as Jesus Adams Foster
- Izabela Vidovic as Taylor
- Kelli Williams as Justina Marks
- Jordan Rodrigues as Mat Tan
- Louis Hunter as Nick Stratos
- Tom Williamson as AJ Hensdale
- Brandon Quinn as Gabriel Duncroft
- Annika Marks as Monte Porter
- Pepi Sonuga as Sally Benton
- Daffany Clark as Daphne Keene
- Denyse Tontz as Cortney
- Alexandra Barreto as Ana Gutierrez
- Tanner Buchanan as Jack Downey (as a vision)
- Anna Grace Barlow as Zoe
- Tip Scarry as Eddie
- Hilary Ward as Mrs. Benton
- Mark Totty as Mr. Stratos
- Stef learned that Jack's placement was due to Arbiter, a multi-million dollar company. The information that Stef tells Callie, causes her to realize that everything Justine had told her was a lie.
- Daphne comes across a letter from Arbiter to Justine and shows it to Callie. Callie talks about it in her speech to the crowd.
- Nick's father appears for the first time and it is revealed that he is a jerk towards his son. He yells at him for using the warehouse for the play. He then headed to the Fosters home and found Marianna and Mat kissing.
- Brandon then paid for a place for her using the money that Brandon had gotten from Stef and Lena.
- After the media approached Callie with the question about her sleeping with Brandon, she approached Stef and Lena. Callie began to cry as Stef raged and Callie revealed that she and Brandon had sex.