Love Island – Pictured: Elizabeth Weber and Zac Mirabelli. The twentieth episode of Love Island airs tonight, Monday, August 5 (8:00-9:00 PM, ET/PT). New one-hour episodes continue every weeknight through Wednesday, August 7 (8:00-9:00 PM, ET/PT). Photo: Colin Young-Wolff/CBS Entertainment ©2019 CBS Broadcasting, Inc. All Rights Reserved.