Family Guy S17 E15 No Giggity, No Doubt

"Don't die laughing. We could get sued."

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.