Line Walker: Bull Fight, also known as Line Walker 3, is a 2020 crime drama produced by Tencent Penguin Pictures and TVB. It serves as the sequel season to both Line Walker and Line Walker: The Prelude. It stars Raymond Lam, Michael Miu, Kenneth Ma, Benjamin Yuen, Mandy Wong, Priscilla Wong, Sisley Choi, Owen Cheung and Benz Hui.
Line Walker: Bull Fight premiered on 12 October 2020 on myTV Gold, TVB Anywhere, Tencent Video and Astro Go. For myTV Gold and TVB Anywhere, the first eight episodes are uploaded on 12 October and two episodes are uploaded on every Monday, Tuesday and Wednesday afterwards. For Tencent Video and Astro Go, two episodes are uploaded on every Monday, Tuesday and Wednesday starting from 12 October. The series premiered on 9 November 2020 on TVB Jade in Hong Kong.