At the Threshold of an Era was a Hong Kong epic drama series broadcast by TVB Jade Channel from 11 October to 18 December 1999 and 13 March to 26 May 2000 and was extensively promoted by TVB as its cross-millennium, one-hundred-episode-long epic. The series composed of two parts, with a gap in between airing.

Television Broadcasts Limited (TVB) is a television broadcasting company based in Hong Kong. The company operates five free-to-air terrestrial television channels in Hong Kong, with TVB Jade as its main Cantonese language service, and TVB Pearl as its main English service. TVB is headquartered at TVB City at the Tseung Kwan O Industrial Estate.