John Mulaney: Baby J is a 2023 stand-up comedy film written by and starring John Mulaney. It was recorded in February 2023 at the Boston Symphony Hall and was released by Netflix on April 25, 2023. It is Mulaney's fifth stand-up special and was released five years after his fourth, Kid Gorgeous at Radio City (2018). The special consists of Mulaney recollecting his life experiences and escapades surrounding his drug addiction, including his intervention and subsequent rehabilitation.