When does Chopper join the crew?

Tony Tony Chopper first joined the Straw Hat Pirates crew as their doctor in episode 90 of the anime, titled “Hiriluk’s Cherry Blossoms! Miracle of the Drum Rockies” and in chapter 153 of the One Piece manga, titled “Hiriluk’s Sakura”.

I think that chopper got much much worse after the time skip. : r/OnePiece

One Piece Tonakai wa Aoppana! Chopper no Himitsu (TV Episode 2001) - IMDb

Tony Tony Chopper Figure From Straw Hat Crew - Traveling Costume : Buy Online at Best Price in KSA - Souq is now : Toys

What order would you say each of the Straw Hats joined the crew? Would you say Nami or Usopp joined first? Why? What about Robin? Do you base it off of when

One Piece: What Every Straw Hat Member Did During The Time Skip

Tony Tony.Chopper - ST01-006 - 25th Anniversary Promo – One Piece Singles

Tony Tony Chopper, One Piece Wiki

When does Robin join the crew?

Chopper joins the crew, The Sixth Member of Straw Hat Pirates, Luffy

Tony To Nie Chopper : ONE PIECE FILM RED Ultimate Crew 4th Dodeka metal badge, Goods / Accessories

One Piece - Tony Tony Chopper joins the crew! (Sub)

Who Is Tony Tony Chopper in One Piece? Devil Fruit, Forms & More - Crunchyroll News

When does Chopper join the crew?

Tony Tony.Chopper - ST01-006 - Common (Film Red Edition) – One Piece Singles

One Piece Straw Hat Crew Chopper Rumbling Plush Stuffed Figure Anime Home Decor Soft And Comfortable One Piece Plush