The Voyager episode flowchart!
This gave me a laugh. Made by long-banned timeliner James Dixon
back in '97. It's pretty accurate!
You need to download and unzip the textfile. Unfortunately TBBS mucks up the formatting so I can't just post it.
The Official/Authorized/Canon VOYAGER EPISODE FLOWCHART (just like the writers use!)
Star Trek Imponderables
, fun mashups of Trek's biggest continuity errors! Ep1