Comedian Ray Romano is to host a 90-minute, primetime special honoring David Letterman's exceptional broadcasting career, CBS announced Thursday.
David Letterman: A Life on Television is to air May 4. As previously announced, Letterman will retire as the host of the network's Late Show on May 20.

"Romano will take viewers through a retrospective of Letterman's career, starting from his time as a weathercaster in Indiana to his final nights as host of the Late Show on the network," a news release said. "The special will mine the video vault, with highlights including some of the best of Letterman's interviews with presidents, world leaders, sports figures and the biggest names in entertainment and music. Also, it will feature highlights of Letterman's trademark show segments, including the Top Ten List, Stupid Pet and Human Tricks, as well as signature stunts that played out against the backdrop of his beloved New York City."