WHAT? DOOR!2023SeriesRating106 seasons99 episodesReturning SeriesPlayAdd to favoritesAdd to FavoritesKnock, knock! Who's there? BOYNEXTDOOR! This variety show focuses on k-pop boygroup BOYNEXTDOOR and shows off the group's fun times off stage.RealityWatch the official trailerSeasonsSeason 155 episodes · 2023Season 210 episodes · 2024Season 38 episodes · 2024Season 47 episodes · 2025Season 59 episodes · 2025Season 610 episodes · 2026Similar to WHAT? DOOR!Wonderful Practice Room2021Seven Stars2022Idol Star Athletics Championships2010Music Universe K-9092022Pilgrimage to Football Meccas2014Sidewalk Scientist (Sr.7)2019Sidewalk Scientist Coronavirus Special2020Sidewalk Scientist (Sr.6)2018Hipster Tour - Spain and Portugal2020Good Day2025John Henson Project2004Produce 1012016Boyscation2022Inkigayo1998Home Alone2013Treasure Hunt2022Shining Solo2024The Arthur Murray Party image is missingThe Arthur Murray Party1950Girls' Generation's Horror Movie Factory2009Cheer Up!2009You may also likeRun BTS!2015BTS In the SOOP2020Top of the Pops1964I-LAND2020Celebrity Family Feud2015Wheel of Fortune1983The Voice UK2012Dancing with the Stars2005Wipeout2008Squid Game: The Challenge2023The Masked Singer2019The Challenge1998Beat Bobby Flay2013Young Actors' Retreat2022Beast Games2024The Voice2011Chopped2009Agents of Mystery2024Dance Moms2011So You Think You Can Dance2005