After the long gradual set-up for 1840 through 1995 then 1970 again, which concludes big, you might be ready for the past again.
I envy petofi's memory. I remember said big conclusion to 1970 before 1840, and the final minute of DS, but not specific moments otherwise.
[spoiler]I got tapes in 2002, and it wasn't the staking that made me wonder, it was his staying "dead" combined with the hints that his ghost might be around. And I knew BC didn't just go away, from childhood. That's good storytelling, if they can make you wonder even if you know better.[/spoiler]