John Mulaney and his kid pals tackle existential topics for all ages with catchy songs, comedy sketches and special guests in a nostalgic variety special.

A young woman who has been in and out from rehab for the past 10 years returns home for the weekend for her sister’s wedding.

Maya, a 40-year-old woman struggling with frustrations from unfulfilled dreams. Until that is, she gets the chance to prove to Madison Avenue that street smarts are as valuable as book…