25 years ago, Twin Peaks‘ pilot posed a simple question: Who killed Laura Palmer?
That mystery wouldn’t be solved until the show’s second season. But not all TV series that plant a mystery in the pilot choose to solve it in that same amount of time. So, in honor of the Twin Peaks anniversary, we rounded up a group of shows that launched with a mystery—then tracked how long it took each show to give the fans an answer.
Some are more complicated than others, and in some instances, we could’ve picked any number of mysteries. But here’s how it all panned out: