Episode 49

Kohaku's Lost Memories is 49th episode of Inuyasha anime since after Kagome return to fedual era after short hitaus

Plot
As Inuyasha and the others search the ruins of one of Naraku's old castles, Sango finds the graves of her fellow exterminators. Miroku moves them away from Naraku's castle and gives them a burial in non-defiled soil. As Sango prays at the grave, she vows that someday she and Kohaku will guard their tombs. Meanwhile, an amnesiac Kohaku skillfully chops up wood for an elderly couple. The couple found him in the woods shortly after Lord Hitomi Kagewaki's castle mysteriously disappeared. That night, Kohaku leaves the elderly couple after he is attacked by Naraku's bees. Kohaku runs into the woods and is attacked by a huge demon. But he is saved by Sango (they came running when Kagome sensed a jewel shard). Sango is overjoyed to be reunited with her brother. Later that night, Sango and Kohaku bond and Kohaku learns a little about himself. Kohaku falls asleep and Sango slips away. Inuyasha confronts Sango and tells her that this has to be one of Naraku's traps. Overhearing this, Kohaku runs away to save Sango the trouble he'll undoubtedly cause. Suddenly, Inuyasha and the others are attacked by Kagura and a swarm of demons. Sango and Kagome soon discover that Kohaku is missing and chase after him, while Inuyasha deals with Kagura, who Naraku sent to retrieve Kohaku's shard. As Kohaku is running, he finds himself surrounded by Naraku's bees. Sango saves him in the nick of time and has Kagome take him to safety, Kagome and Kohaku soon find a cave to hide it. In the cave, Kohaku remembers hearing Naraku ordering him to kill Kagome! He enters a trance and prepares to attack Kagome.