The notable artists on your television this week include: A Perfect Circle (Kimmel; 4/23), Bleachers (Kimmel; 4/24), Middle Kids (Kimmel; 4/25), Run the Jewels (Colbert; 4/25), Pentatonix (Corden; 4/23), Snow Patrol (Corden; 4/24), and Andrew W.K. (Conan; 4/24).