What to watch tonight: Serena Williams on ‘Late Show’, ‘Owner’s Manual

The above is a clip for tonight’s episode of Owner’s Manual on AMC. Elsewhere, Serena Williams makes her annual appearance on The Late Show with David Letterman. Here’s what you need to watch tonight.

Ghost Shark @ 9pm, SYFY: You’re no Sharknado Ghost Shark. I’m onto you.

Late Show with David Letterman @ 11:35pm, CBS: Last time Serena Williams was on David Letterman, she wore this. /faints

Owner’s Manual @ 10:30pm, AMC: Marcus and Ed head to the Nevada desert where they drive high-performance, off-road vehicles in a race against one of the top drivers in the country.

Panthers-Ravens @ 8pm, ESPN: Because, well, it’s football.