Family Guy season 17 episode 15
Episode title: No Giggity, No Doubt
When the guys volunteer to chaperone the high school prom, Quagmire hits it off with Courtney only to discover that she is his daughter. To his and the gang's surprise, Quagmire makes a serious effort to embrace parenting Courtney, joining Peter and Meg on an ill-fated father-daughter camping trip.
