King of the Hill (1997)

S3E5 Next of Shin

Hank experiments with various approaches to boost his sperm count in hopes of getting Peggy pregnant. His frustration intensifies when Cotton arrives with the news that he's expecting a child with his wife. However, overwhelmed by anxiety about becoming a father again at his age, Cotton bolts to Las Vegas. Hank, along with Bill and Dale, sets out to track him down and bring him back.