Question: when does the season finale of the fosters come on
Answer: 102 20 TBA TBA TBA June 4 , 2018 ( 2018 - 06 - 04 ) TBD 103 21 TBA TBA TBA June 5 , 2018 ( 2018 - 06 - 05 ) TBD 104 22 TBA TBA TBA June 6 , 2018 ( 2018 - 06 - 06 ) TBD