actually, Cheren has shown up in one of the most RECENT B/W Adventures in Unova episodes. It's called "There's a New Gym Leader in Town!" and stars Cheren, Ash, and co. Cheren and everyone have to search for the school's missing Pokemon b4 Ash and Cheren can have an 'unofficial' Gym Battle (Cheren doesn't like to battle). Check it out on www.pokemonepisode.org. it's part of the N Arc, which stars none other than my love: N! all of the most recent episodes r on that site.