 Lewis still continued to host at least 16 hours of his telethon until 1999 (a year when he would suffer from various medical issues), where he would appear for the first five hours and the last five hours of the telecast, with an extended pre-recorded segment presented during late-night hours, and other celebrities filling in for Lewis and Ed McMahon during the morning hours.Co-hosts have included talk show host Larry King, comedians Norm Crosby, Elayne Boosler, Bob Zany, television personalities Chad Everett, David Hartman, Casey Kasem, Jann Carl, Leeza Gibbons, John Tesh, veteran singers Tony Orlando, Julius LaRosa (who began co-hosting for Lewis in remote locations in 1975, and many others.The telethon returned to Las Vegas in 2006 at the South Point Hotel, Casino & Spa (which was the "South "Coast"" its first year there), a complex owned by a friend of Lewis, Michael Gaughan, and remained there through the 2011 telethon.