Dogtanian and the Three Muskehounds - Season 1 Episode 19
The Feat Trial

Dogtanian continues pursuing The Black Moustache, on the way out of the Musketeers headquarters he runs into Athos whos showing off his new baldric. Dogtanian tries to see the back and makes Athos look a fool when he finds out the baldric doesnt have a back. Athos challenges him to a duel, Dogtanian agrees and arranges it half an hour after his duel with Porthos. Dogtanian resumes the chase and runs into Aramis, as hes approaching he accidently kicks a stone at Aramis girlfriend, leading to another duel again half an hour after the duel with Athos...