Returning performer Dr. John Gundzik will enjoy a blast from the past. "He was on 'The Gong Show' when he was 17 years old," DeWalt said of the now-65-year-old.

Hansen co-produced the 2000 boxed set of Lehrer's songs, "The Remains of Tom Lehrer," and had featured Lehrer's music for decades on his syndicated "Dr. Demento" radio show.

Tom Lehrer, the legendary satirical songwriter and mathematician, has died at the age of 97 at his home in Cambridge, Massachusetts.

Hansen co-produced the 2000 boxed set of Lehrer’s songs, “The Remains of Tom Lehrer,” and had featured Lehrer’s music for decades on his syndicated “Dr. Demento” radio show.

His work was often featured on the syndicated Dr. Demento radio show and "Harry Potter" star Daniel Radcliffe dazzled a talk show audience by doing "The Elements" on a television show in 2010.

In song, he brilliantly skewered clichés about romance, patriotism and small-town life.

During an appearance on “The Daily Show with Jon Stewart,” Los Angeles Times owner Dr. Patrick Soon-Shiong announced the launch of the L.A. Times Next Network.

Malcolm-Jamal Warner, the actor who rose to fame as a teenager playing Theo Huxtable on “The Cosby Show” in the mid-1980s, died on Sunday in Costa Rica. He was 54.

As Theo Huxtable, 'Cosby Show' star Malcolm-Jamal Warner got a memorable crash course on growing up in one of the series’ best episodes.