Photos: The enduring career of TV's Bob Barker Bob Barker, former host of TV's "The Price is Right," surprised viewers when he came out of retirement to appear on the show in April 2015 with current host Drew Carey. Here's a look at noteworthy moments from Barker's long career in show business. Hide Caption 1 of 17

Photos: The enduring career of TV's Bob Barker Barker also made a special appearance on "The Price Is Right," the game show he hosted for 35 years, on his 90th birthday in 2013. Hide Caption 2 of 17

Photos: The enduring career of TV's Bob Barker Barker, right, appears on a 1960 episode of "Bonanza" along with actors Dan Blocker, Pernell Roberts and Natalie Trundy. Hide Caption 3 of 17

Photos: The enduring career of TV's Bob Barker Barker is a well-known animal rights activist who always ended "The Price Is Right" by saying: "Help control the pet population. Have your pets spayed or neutered." In 1995, Barker established the DJ&T Foundation to help fund low-cost pet neutering. The foundation is named after Barker's late wife, Dorothy Jo, and his mother, who was nicknamed Tilly. Hide Caption 4 of 17

Photos: The enduring career of TV's Bob Barker Barker went on his first date with Dorothy Jo when he was 15, and the two later eloped in 1945 when Barker took leave from the U.S. Navy. Dorothy Jo sang commercial jingles, and the two moved to Los Angeles and performed talent shows together. Hide Caption 5 of 17

Photos: The enduring career of TV's Bob Barker While Barker was in college, filling in as emcee for a radio station, he was noticed by Ralph Edwards, creator and host of the game show "Truth or Consequences." Barker took over for Edwards and hosted the show for the next 18 years. Hide Caption 6 of 17

Photos: The enduring career of TV's Bob Barker Barker began hosting "The Price Is Right" in 1972. Over his career, he won 19 Daytime Emmy Awards. Hide Caption 7 of 17

Photos: The enduring career of TV's Bob Barker Barker and Miss Illinois Amanda Jones are seen after Jones won the 1973 Miss USA Pageant. Barker hosted the Miss USA and Miss Universe pageants from 1966-1987. He resigned after pageant officials refused to stop giving fur coats as awards. Hide Caption 8 of 17

Photos: The enduring career of TV's Bob Barker Barker points to himself on television as his wife looks on and laughs in 1977. Dorothy Jo died from lung cancer in 1981. Hide Caption 9 of 17

Photos: The enduring career of TV's Bob Barker Barker with a contestant on "The Price Is Right" in 1978. Hide Caption 10 of 17

Photos: The enduring career of TV's Bob Barker Barker poses with two "Price Is Right" models -- Dian Parkinson, left, and Janice Pennington -- in 1986. Parkinson sued Barker for sexual harassment in 1993, asking for $8 million. The lawsuit was dropped in 1995. Hide Caption 11 of 17

Photos: The enduring career of TV's Bob Barker For his cameo appearance in the 1996 Adam Sandler film "Happy Gilmore," Barker won a MTV Movie Award for "best fight scene." Hide Caption 12 of 17

Photos: The enduring career of TV's Bob Barker Barker celebrates his 80th birthday during a special edition of "The Price Is Right" in 2003. Hide Caption 13 of 17

Photos: The enduring career of TV's Bob Barker Barker poses next to a sculpture of himself during his induction into the Academy of Television Arts & Sciences Hall of Fame in 2004. Hide Caption 14 of 17

Photos: The enduring career of TV's Bob Barker Barker addresses the studio audience June 6, 2007, during his last taping of "The Price Is Right." Since then, the show has been hosted by comedian Drew Carey. Hide Caption 15 of 17

Photos: The enduring career of TV's Bob Barker Barker answers fans' questions during a book signing of his memoir "Priceless Memories" in 2009. Hide Caption 16 of 17