<Tr> <Td_colspan="2"> ← Previous Season 3 Next → Season 5 </Td> </Tr> <Tr> <Td_colspan="2"> List of The Fosters episodes </Td> </Tr> <P> The fourth season of The Fosters premiered on June 20, 2016 and ended on April 11, 2017 . The season consisted of 20 episodes and stars Teri Polo and Sherri Saum as Stef Foster and Lena Adams, an interracial lesbian couple, who foster a girl (Maia Mitchell) and her younger brother (Hayden Byerly) while also trying to juggle raising Latino twin teenagers, (Cierra Ramirez and Noah Centineo), and Stef's biological son (David Lambert). In this season, Callie is determined to find out about a police case who convicted a teenager of murder but learns the dark secrets surrounding the case . Meanwhile, after adopting AJ, Mike struggles with fatherhood while dealing with his girlfriend, Ana . Also, Mariana struggles to let go of Nick after the incident at school . </P> <Ul> <Li> Teri Polo as Stef Adams Foster </Li> <Li> Sherri Saum as Lena Adams Foster </Li> <Li> Noah Centineo as Jesus Adams Foster </Li> <Li> Hayden Byerly as Jude Adams Foster </Li> <Li> David Lambert as Brandon Foster </Li> <Li> Maia Mitchell as Callie Adams Foster </Li> <Li> Cierra Ramirez as Mariana Adams Foster </Li> <Li> Danny Nucci as Mike Foster </Li> </Ul>

How many episodes does season 4 of the fosters have