Ink - Season 1 Episode 16 Face Off
Overview: After guesting on a late night TV show. And coming across well, Mike is asked to stand in as the host for a week. The show goes well until a guest cancels at the last moment and Mike has to get Kate to replace her. They spend the whole show arguing with each other over nearly every subject. They think they have made a mess of the TV chance but afterwards CBS asks them to front their own show, together.