The Mystic Nine is a prequel to the Chinese television series The Lost Tomb based on the internet novel Daomu Biji. It aired on Dragon TV and was broadcast online via iQiyi from 4 July to 17 October 2016.

The Lost Tomb is a 2015 Chinese streaming television series based on the internet novel Daomu Biji. The series was originally intended to have 8 seasons filmed over a period of 8 years but only three seasons were produced as of 2020. The first season premiered on iQiyi on 12 June 2015.