@SeanSA I have been complaining about this for the last 3 years on the main forums and since becoming a superuser on the closed forum. To date there has been no indication that it is on the priority list.
I prepared the following some time ago so some of it may be a little out of date but see if it helps you.
The most common method which generally works with Sky, Discovery, ITVX and Disney is to select the programme from the CW rail and fast forward it to the end. If it is a series then also run the last episode of the series to the end otherwise the next episode will appear in the CW rail.
Depending on the App you watched from there are so many different ways to remove programmes from CW. Some you have to do on your TV and others on your Laptop etc. I made myself a list to help me remember in the future. Hopefully this will help you as well:
Do on Glass TV or Puck:
Apple TV - select from Up Next list with a LONG press / remove
Netflix - Select from CW / remove from CW on next page
Sky, Discovery, ITVX & Disney - run programme to credits and allow to run to the end. If a series do the same with the final episode of the series. (It may take a while to disappear)
My5 - Go to settings and select Clear Watch History
Do on laptop:
BBC iPlayer - CW / Manage full list (on right of screen) / remove
Ch4 / CW - go to My4 > / edit / select then remove
Paramount - Hover over programme and untick
Prime - Go to CW rail and hover over programme for another menu select 3 dots & then hide (you can’t actually delete)
Sometimes it can take a while for the programme to disappear and on other occasions they stubbornly remain. It's a bit of a lottery.
Good luck, I hope this helps.
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