The Greatness of a Hero is a Hong Kong television historical drama serial produced by TVB under executive producer Leung Choi-yuen. It first aired on Malaysia's Astro On Demand from 9 February to 6 March 2009 and on several TVB overseas cable channels in 2010. The Greatness of a Hero started its broadcast on Hong Kong's Jade and HD Jade channels on 2 April 2012.

Dik Yan-kit was a legendary chancellor in China's history. He served as chancellor during the Tang dynasty and Zhou dynasty and was greatly trusted by Mo Chak-tin. The Empress's nephew, Mo Sing-chi, was jealous and sought every opportunity to frame him. He accused Dik of colluding with his son-in-law Sung Ting-yuk in order to usurp the Empress's throne. Dik's family was seized but in the confusion, Dik escaped. Mo Sing-chi then threatened to kill Dik's wife, Cho Yuet. Will Dik Yan-kit be able to win against his enemies?

Note: Some of the characters' names are in Cantonese romanisation.

The following is a table that includes a list of the total ratings points based on television viewership. "Viewers in millions" refers to the number of people, derived from TVB Jade ratings (not including TVB HD Jade), in Hong Kong who watched the episode live. The peak number of viewers are in brackets.