You can ddd spoiler tags to specific parts of a message using markdown or the dedicated spoiler button. For images, apply ...

It's also easier to see when new episodes are coming to avoid spoilers. iOS 18.4 and tvOS 18.4 ...

you need to simply check the box beside Mark as spoiler to add a spoiler tag to the image and click on the Upload button. Adding a spoiler to an image is similar but you don’t have to type anything.