ABC’s Nightline, celebrating 45 years of delivering the most powerful stories of our time. Nightline’s historic 45th anniversary shows - all this week, late night after Kimmel on ABC - and stream next day on Hulu. | Nightline

Tyler Graf was born in Chile and adopted by a family in U.S., but his adoption wasn't what they thought it was. Tonight, his newfound family and journey home, decades later. Our team is with Tyler in Chile as he reconnects with his birth family and his search for answers. The story tonight on Nightline | Nightline

From the lingo to the fashion, “Clueless” still has fans “totally buggin’” three decades after it debuted on the silver screen. Nightline’s Ashan Singh is joined by cast members, the film’s director, and costume designer as they take walk down memory lane and celebrate the film’s 30th anniversary. Stream “As If! 30 Years of Clueless” – a special edition of Nightline – on Hulu. | Nightline