<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>
<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>
how many episodes does season 4 of the fosters have
how many episodes does season 4 of the fosters have
20
20