The air dates for Miss Scarlet and The Duke season 3 are wrong they should be:
2023/01/08 - s03e01
2023/01/15 - s03e02
2023/01/22 - s03e03
2023/01/29 - s03e04
2023/02/05 - s03e05
2023/02/12 - s03e06
This is based on the information provides by PBS:
https://www.pbs.org/wgbh/masterpiece/shows/miss-scarlet-and-the-duke/episodes/
I unfortunately can't update them myself, the few that succeeded were reverted by RoseRed.