If you are actually looking for the modern French crime thriller Balthazar (starring Tomer Sisley), Season 4, Episode 4 is titled "Nature morte" (or "Still Life") and involves the investigation of three young men murdered in a car scrapyard. Context and Availability
The original Professor Balthazar (1967–1978) is known for its psychedelic colors and whimsical inventions that solve the town's odd problems. Professor Baltazar S04 E04.avi
This is the fourth episode listed in many international English guides, such as Wikipedia and Plex . If you are actually looking for the modern