Gotta See! Gotta Know! Kakashi-Sensei's True Face! (見たい、知りたい、確かめたい カカシ先生の素顔, Mitai! Shiritai! Tashikametai Kakashi-Sensei no Sugao) is episode 101 and an omake episode of the original Naruto anime.
Naruto had started the idea of finding out what was under Kakashi's mask, which the two others, Sakura and Sasuke Uchiha by Naruto saying that Kakashi may have a Blip lips or Bug Teeth and making Sasuke join them.They Tried making Kakashi Take off his mask by treating him ramen at the Ichiraku Ramen Shop They even tried following him all day soon it failed because Kakashi caught them following him soon that day Naruto followed him by himself but Kakashi was too fast,then Sakura Tried to Follow him in the Memorial Stone but Sakura found out that it was a Kakashi version of a scarecrow ,Sasuke also followed him but the Anime did not show what did Sasuke do it just showed him and he said that he is just tired of following him. They soon had a low-rank mission to tend the farm. They didn't notice that Moya Triad is following them, who will have their revenge on Kakashi. As the team left for Konoha after the mission,they went to a hotel then they ate even the time they were eating Naruto still did try to Kakashi to take off his mask by wetting it using a tea pot thrown to Kakashi then eventually they went to a hot spring but Kakashi wore a towel on his face so his face wont be seen then they left and continue the farm task that has been assigned to them but the Moya Triad showed up then due to battle that happened three years before the Naruto Became a Genin and as always Kakashi beated them to a pulp as they went home, Naruto asked Kakashi outright what was under his mask. Ironically, Kakashi agreed to show them, and prepared to take it off. After their intense anticipation, Kakashi finally took off his mask, only to reveal another mask underneath that was lighter in colour. While taking off his mask, he says, it's another mask, making Naruto, Sasuke, and Sakura fall to the ground in horror while Kakashi laughed.