21 Days Theory2022SeriesRating7.11 seasons4 episodesEndedPlayAdd to favoritesAdd to FavoritesA playful rivalry turns into something more when a cocky senior dares his classmate to win the school’s top celebrity’s heart in just 21 days.DramaWatch the official trailerSeasonsSeason 14 episodes · 2022Similar to 21 Days TheoryMerlina, mujer divina2006I Wanna Fall in Love2001Reborn As My Own DoubleRock Follies1976The Beiderbecke Affair1985Virtual Murder1992Verano azul1981One of Us2016Saimdang, Memoir of Colors2017Kokoro2003Grey Rainbow2016Orange2016Blue Bird1997Love's Shattered Reflections2026Rurouni Kenshin: Trust & Betrayal1999Coffee Please2021Ebba och Didrik1990Romeo's Blue Skies1995Afrika, mon amour2007Sylvia's Cats2016You may also likeOne Tree Hill2003Heated Rivalry2025The Fosters2013Heartstopper2022Only Friends2023Class Crush Crisis2026Your Sky2024South of Nowhere2005My Life with the Walter Boys2023FOREVER2025I Told Sunset About You2020Bel-Air2022Pit Babe2023We Are2024The Newsreader2021You Maniac2026SOTUS2016Once and Again1999Pretty Little Liars2010The O.C.2003