In "Friends," the NBC comedy, a group of 20-somethings glide through life lightly.

Simmons went onto guest star as herself on NBC comedy series 30 Rock.

This was the first time the couple had collaborated since their early-2000s NBC comedy Watching Ellie.

He made his television debut on the NBC comedy 30 Rock in 2007.

Also in 1987 he made a guest appearance on 227, which was an NBC comedy about women who lived in a majority black apartment complex.

Three other NBC comedies were among the top 10.

In September 2010, he began writing for the fifth season of the NBC comedy series 30 Rock.

Other leading NBC comedies, like "Seinfeld," have often done the same thing.

He has worked as a writer on the NBC comedy series 30 Rock.

In 2010 it also featured in Parenthood, the popular NBC comedy.