I'm glad they're coming back to the raft idea. I know it won't end up like Castaway, but at least it's a productive idea... it's one of those things that you don't think could just go away, but there's plenty of things that fall into that category.
Much better than inserting in a random future episode:
"Hey, where did that black guy go?"
"Oh, you didn't hear... him and his son built a raft and left."
