Which bleach episodes does toshiro appear in?

Toshiro Hitsugaya appears in a *lot* of Bleach episodes. To give you a comprehensive list, it would be easier to tell you which episodes he *doesn't* appear in, as it's a much shorter list!

However, I can provide some key episodes where he plays a significant role:

Early Episodes:

* Episode 2: We are introduced to Toshiro as the young captain of the 10th Division.

* Episode 5: He participates in his first major battle against the Hollows.

* Episodes 12-14: He takes center stage in the fight against the Soul Society traitor, Ichimaru Gin.

Aizen's Invasion:

* Episodes 130-134: He participates in the defense of Soul Society against Aizen's invasion force.

* Episodes 168-175: He plays a key role in the battle against Aizen.

Fullbring Arc:

* Episodes 232-241: He fights alongside the other captains against the Fullbringers.

* Episodes 254-257: He faces off against Tsukishima, a powerful Fullbringer.

Thousand-Year Blood War Arc:

* Episodes 307-313: He is involved in the initial confrontation with the Quincy.

* Episodes 319-325: He fights against Pernida, a powerful Quincy.

* Episodes 341-349: He participates in the final battle against Yhwach.

Other notable appearances:

* Episodes 118-122: He is featured in a flashback of his past, learning his Zanpakuto's Shikai.

This list gives you a good starting point. It's definitely worth watching those episodes to see Toshiro's character development and his impressive fighting abilities!