Thermae Romae
テルマエ・ロマエ (original)
The story is a comedy about Lucius, an architect of public bath houses in ancient Rome, who time-travels to various modern-day baths in Japan. The author explores the two cultures in the world "that have loved baths the most: the Japanese and the Romans."
Starring Akio Otsuka, Naoya Uchida, Hiroshi Shirokuma, Hiroki Touchi, FROGMAN
It's a comedy and animation show, and has a rating of 6 out of 10 from Imdb which is fairly okay for this kind of show.
Watch it here
Not found streaming from United Kingdom.