What exactly was added from other routes in the 2006 anime?
Edit: I feel like my question has been sufficiently answered. Sounds like the extra material is done in a way that teases the other routes instead of spoiling them. So it looks like Deen Stay/Night will be her intro. Thanks to everyone who gave answers!
Tagging for spoilers because of what I’m asking for.
I got into Fate through Zero. I’ve been wanting to introduce my wife to Fate, but want to give her the Stay/Night story before Zero. I’ve never seen the 2006 show but I have always heard that it’s a good introduction to the world (potentially the best introduction that any Fate anime has).
Now I’ve always heard about how Deen added plot elements from UBW and Heaven’s feel, but I don’t know exactly what they brought in. As much as I am interested in watching it with her, I don’t want to sacrifice major moments from the other routes. So, for the sake of deciding whether to watch or skip, what exactly did Deen add in from the other routes?