[1] He hosted the Asahi Broadcasting Corporation quiz show Panel Quiz Attack 25 continuously for thirty-six years from its start in April 1975 until he was forced to step down due to poor health at the end of March 2011.
An avid reader, Kodama hosted a TV book review show.
[3] Kodama died of stomach cancer at a hospital in Chuo, Tokyo on 16 May 2011.
In the programme, two Asahi presenters Yasuyuki Urakawa and Akiko Kato told viewers all over Japan about Kiyoshi Kodama and the 36-year history of "Attack 25", showing famous scenes in "Attack 25" including his signature Attack Chance catchphrase, treasured pictures of him owned by TV Asahi, and comments of memories from special guests.
[8] Urakawa who substituted for Kodama since April 2011, hosted Attack 25 until March 2015, after which he was replaced by Shōsuke Tanihara.