The Fonz and the Happy Days Gang (1980)

S3E15 King Con

Title: King Con Plot: After Joxer suffers a brutal attack that leaves him on the brink of death, Xena seeks justice by joining forces with a pair of cunning swindlers. Together, they devise an elaborate scheme to take down a merciless owner of a gambling den and his son, aiming to turn the tables in their favor and exact revenge for Joxer's suffering.