yeah it might be more work, but is it really that much trouble to type
[pastspoiler] [/pastspoiler]
or
[futurespoiler] [/futurespoiler]
I think it would improve the entertainment forum quite a bit. I know a lot of people have to avoid threads just because they are behind on a show when they might have something valuable to add to the thread...
all the threads would be so ugly and annoying if that happened