"Mad Men" series finale, Sunday 9 p.m. ET, AMC Courtesy AMC "Late Show with David Letterman" finale, Wednesday 11:35 p.m., CBS Courtesy CBS "The Flash" season finale, Tuesday 8 p.m. CW Courtesy The CW Network "Dancing with the Stars" season finale, Tuesday 9 p.m., ABC courtesy ABC "The Following" series finale, Monday 8 p.m., Fox Courtesy Fox "Brooklyn Nine-Nine" season finale, Sunday 8:30 p.m., Fox Courtesy FOX Prev Next
