If you want to find an anime that you watched a few years ago, you can try the following methods: 1 Search for the name or keywords of the anime on the Internet to see if there are any related websites or resources that can be downloaded or watched online. 2. If you still remember the storyline or main characters of the anime, you can try to enter relevant information into the search engine to see if anyone has shared the storyline or pictures of the anime. If you still remember the theme song or ending song of the anime, you can search for relevant information on the relevant music platform to see if anyone has shared the audio or video of the resource. If you remember the time and place you watched the anime, you can try searching for relevant information on relevant online video platforms to see if anyone has shared the video resources of the anime. If you are not sure how to find the animation, you can try to contact the relevant animation production company or copyright owner to see if anyone knows the whereabouts of the animation.