MBC docuFlex will have a re-run of “Youth Documentary - Coffee Prince Twenty Once Again” Part 1 on 26th September 2020 at 9:40 pm KST. You can watch it live on http://onair.imbc.com/ Please note that you will have to create an iMBC account.
https://twitter.com/withmbc/status/1309406580241170434?s=21
Source: @withMBC Twitter