Falk collaborated with John Cassavetes in which Columbo episode?
"Étude in Black"
"Suitable for Framing"
"Murder by the Book"
"Death Lends a Hand"
Answer
Étude in Black is a 1972 American crime drama television film directed by John Cassavetes and starring Peter Falk as Lieutenant Columbo. The episode was Falk's first collaboration with Cassavetes, and it is widely considered to be one of the best episodes in the Columbo series.
The Enigmatic World of Peter Falk: Uncovering the Life and Career of an Iconic American Actor