TV One Killer Question One Killer Question 6.6/10 by 7 users The Only Murders in the Building aftershow that isn't afraid to tackle the hard question. One question. That's it. Featuring host Ali Stroker, the show's actors, a slew of celebrity superfans and one big murder to solve it just might be the only Only Murders In the Building aftershow you need to watch. Details Casts Posters Images Title One Killer Question Alternative Titles Only Murders in the Building: One Killer Question First Air Date 2022-06-28 Last Air Date 2023-10-03 Number of Episodes 20 Number of Seasons 2 Genres Talk, Networks YouTube, Hulu, Casts Michael Cyril Creighton Plot Keywords musical, Self - Host Michael Cyril Creighton