Gintama (dub) Episode — 5

: This episode introduces Gintoki’s former comrade-in-arms, Katsura Kotaro (often called "Zura"), a leader of the Joui resistance.

: One of the most famous running gags in anime history begins here. Gintoki immediately calls his old friend "Zura," prompting Katsura’s iconic catchphrase. Gintama (Dub) Episode 5

Gintama (Dub) Episode 5: "Make Friends You Can Call by Their Nicknames, Even When You're an Old Fart" Katsura Kotaro (often called "Zura")

: The episode features the first major clash with the Shinsengumi, specifically Toshiro Hijikata and Sougo Okita , setting up their long-standing rivalry with the Yorozuya. English Dub Production & Cast specifically Toshiro Hijikata and Sougo Okita