While there isn't an Episode 35 starring him, this season established the lifelong "crossover friendship" between the rabbit ronin and the turtles.
: It features a deadly ninja duel where the character Chizu faces off against Kagemaru and Kimi. [S3E35] Usagi Yojimbo
While there isn't a single "S3E35" in the Usagi Yojimbo universe, the number 35 is a major milestone for the series, representing decades of storytelling by creator Stan Sakai. Depending on what you’re looking for, here is some interesting content centered on that "35" mark: The "Mystery of the Devil Mask" (Comic Issue #35) While there isn't an Episode 35 starring him,
: It provides a visual history of how Stan Sakai’s art style evolved while staying true to the meticulous historical detail of feudal Japan. The Homecoming Collection (Volume 35) Depending on what you’re looking for, here is
: One of the most talked-about moments involves the giant serpent Lord Hebi intimidating his subordinates with "light cannibalism"—eating a dead serpent out of a sake bowl. Animated Cameos (Season 3)