Family Matters (1989)

S3E25 Farewell, My Laura

Title: Goodbye, My Laura Plot: In a comedic twist on classic film noir, Urkel transforms into the clumsy private detective Johnny Danger. Set in the 1940s, he finds himself entangled with Laura, a captivating femme fatale seeking his help. Her aunt, Rachel, a talented singer and supper-club proprietor, is the target of a sinister plot. Urkel must navigate a world of intrigue and danger to keep them both safe from impending doom.