Professor T Season 4 jumps directly into the deep end of the aftermath of the Season 3 finale, as everyone comes to grips with their grief in "Overboard."
Professor T returns for its fourth season, and a fifth is on the way. For those who are new to the English language version on this side of the pond, or have never seen any of the multiple iterations, here's everything you need to know.
It's once again time for our list of everything coming to PBS on streaming in August 2025, from Masterpiece's early autumn lineup kick-off to new Walter Presents shows.