The Birth of Prince Yahiko?
A foreign prince is attacked by bandits. As Kenshin and Kaoru are returning from a play, they see this and Kenshin intervenes. During the attack the prince was injured, so Kenshin and Kaoru take them back to the dojo. As it turns out, Prince Shin looks exactly like Yahiko, and so Yahiko is put in his place to attend a banquet. At the banquet the bandits attack yet again, but our favorite samurai is there to protect Yahiko, along with Sanosuke.
Aired 28/10/1997EP 64 - The Birth of Prince Yahiko?

Rurouni Kenshin
Himura Kenshin is a vagabond with a dark past and sunny disposition. Not a ronin but a rurouni, he was never a samurai, but an assassin of utmost skill in the Meiji restoration, who in the turning point of the war simply walked away. His travels lead him to Tokyo in the 11th year of the Meiji era, where he befriends a female Kendo master, a former thief, a brawler and a doctor all with their own secrets. Together they fight off the enemies surfacing from the dark past that Kenshin cannot escape.
(Source: Anime News Network)