Chapter Thirty-One: A Night to Remember

"Chapter Thirty-One: A Night to Remember" is the eighteenth episode of the second season of the American television series Riverdale and the thirty-first episode of the series overall. The episode was directed by Jason Stone and written by Arabella Anderson and Tessa Leigh Williams and choreographed by Heather Laura Gray. It centered around the stage musical Carrie by Lawrence D. Cohen and Michael Gore, which is based on the 1974 book by Stephen King.

The episode was first screened at the PaleyFest LA Spring Season in March 2018. It originally aired on The CW on April 18, 2018, and according to Nielsen Media Research, was watched by 1.10 million viewers.

It is also the first musical episode in the series. It is followed by six other musical episodes in the series, with some of them also based on stage musical: "Chapter Fifty-One: Big Fun" (season 3; on Heathers: The Musical), "Chapter Seventy-Four: Wicked Little Town" (season 4; on Hedwig and the Angry Inch), "Chapter Ninety-One: The Return of the Pussycats" (season 5; on Josie and the Pussycats), "Chapter Ninety-Four: Next to Normal" (season 5; on Next to Normal), "Chapter One Hundred and Twelve: American Psychos" (season 6; on American Psycho: The Musical) and "Chapter One Hundred Thirty-One: Archie the Musical" (season 7; on Archie the Musical).