Sarah Michelle Gellar tweeted a clip of the next episode of "The Crazy Ones."

Be prepared to see Kelly Clarkson in an entirely new light.

Robin Williams will star as Sarah Michelle Gellar's father in CBS's upcoming comedy "The Crazy Ones." The comedy is about an unorthodox advertising executive and his daughter. "Ally McBeal" writer David E. Kelley will pen and produce the show. The major U.S. network announced Wednesday that it will air eight new series ahead of its upfront presentation in New York, an annual convening of broadcasters and advertisers, where networks try to persuade advertisers to spend billions of dollars in commercials for their new shows.