CW Philly Sneak Peek: 'Crazy Ex-Girlfriend' Series Finale April 2, 2019 / 2:57 PM EDT / CBS News Photo Credit: The CW / Greg Gayne Pictured: David Hull as White Josh Photo Credit: The CW / Greg Gayne Pictured: Skylar Astin as Greg Photo Credit: The CW / Greg Gayne Pictured (L-R): Michael Hitchcock as Bert, Pete Gardner as Darryl and Scott Michael Foster as Nathaniel Photo Credit: The CW / Greg Gayne Pictured (L-R): Rachel Bloom as Rebecca and Michael Hyatt as Dr. Akopian Photo Credit: The CW / Greg Gayne Pictured (L-R): Michael Hyatt as Dr. Akopian and Rachel Bloom as Rebecca Photo Credit: The CW / Greg Gayne Pictured (L-R): Rachel Bloom as Rebecca and Scott Michael Foster as Nathaniel Photo Credit: The CW / Greg Gayne Pictured (L-R): Vincent Rodriguez III as Josh, Scott Michael Foster as Nathaniel and Danny Jolles as George Photo Credit: The CW / Greg Gayne Pictured: Vincent Rodriguez III as Josh Photo Credit: The CW / Greg Gayne Pictured (L-R): Rachel Bloom as Rebecca and Donna Lynne Champlin as Paula Photo Credit: The CW / Greg Gayne Pictured: Rachel Bloom as Rebecca Photo Credit: The CW / Greg Gayne Pictured (L-R): Donna Lynne Champlin as Paula and Rachel Bloom as Rebecca Photo Credit: The CW / Greg Gayne Pictured (L-R): Rachel Bloom as Rebecca and Donna Lynne Champlin as Paula Photo Credit: The CW / Greg Gayne Pictured: Rachel Bloom as Rebecca Photo Credit: The CW / Greg Gayne The series finale airs Friday at 8 p.m., followed by a concert special at 9 p.m. only on The CW Philly!