Based on common episode guides, Season 4, Episode 4 is most likely one of the following:
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 Professor Baltazar S04 E04.avi
In some databases like IMDb , this episode (where Balthazar invents a flying tram for his friend) is indexed differently but sometimes appears in lists for later seasons. Based on common episode guides, Season 4, Episode
The series has seen a resurgence on platforms like TikTok , where clips of Balthazar’s inventions are frequently shared. The original Professor Balthazar (1967–1978) is known for
The original Professor Balthazar (1967–1978) is known for its psychedelic colors and whimsical inventions that solve the town's odd problems.
You can often find episodes of the animated series on platforms like JustWatch or Plex.
This is the fourth episode listed in many international English guides, such as Wikipedia and Plex .