I've discovered "stranger danger" is not as easy as I thought it would be to explain to Logan. I realized I had bought THIS dvd a year or two back though and I decided to pull it out and watch it with him today while Ian was napping. It really helped him understand better and we were able to talk about it without it being scary or confusing. It's talks about people who are "Don't Knows" and people who are "Kinda Knows" and how to deal with both. If you are having the same issues as I was, I highly recommend getting it.
It was cute- when Ian got up from his nap, Logan was attempting to tell him all about the video and teach Ian what he should do in a situation with a "Don't Know" or "Kinda Know". I'm sure Ian had no clue what he was talking about but I loved the big brother/little brother moment.
3 months ago