look in an asian market, or if you're in an area with a good sized asian community, regular supermarkets may carry it in the ethnic sections. i've seen several brands of eel bbq sauce, from very thin and soy sauce like, to thicker sweeter versions for sale. sorry, i don't remember the brand names.
The past is gone it's all been said.
So here's to what the future brings,
I know tomorrow you'll find better things