Because Kagome, Sango, and Miroku were poisoned. So he was crying because he thought they were dead. Also he felt guilty.
Inuyasha shows his tears for the first time, is the episode
ahhh, my favorite! Inuyasha: The Final Act Episode 9!
Sesshmoraru does cry in Inuyasha.
Yes he does but i forgot whichone ill try to find itt XD
inuyasha episode 128
Episode 18 of InuYasha the final Act
episode 100
the inuyasha movie is not an episode
its episode 87
Episode 79 of Inuyasha
it is episode 117
It is episode 13