THE GRAHAM NORTON SHOW
BBC America, 10:00 p.m. ET
Two fresh episodes are presented as a double feature tonight, and both have celebrities worth tuning in to see how they handle the host’s loose-cannon antics. On nthe first show, the guests include Jennifer Lopez. On the second, which begins at 11 p.m. ET, the guests include Dan Stevens, formerly of Downton Abbey before his character was so suddenly killed off, and Hayden Panettiere.