Here are five new lateral thinking puzzles to test your wits and stump your friends -- play along with us as we try to untangle some perplexing situations using yes-or-no questions.

Here are the sources for this week's puzzles. In a couple of places we've included links to further information -- these contain spoilers, so don't click until you've listened to the episode:

Puzzle #1 was contributed by listener Dave Lawrence.

Puzzle #2 is from listener Michael Berman.

Puzzle #3 is from Paul Sloane and Des MacHale's Ingenious Lateral Thinking Puzzles, 1998.

Puzzle #4 is from listener Paul Sophocleous. Here are two associated links.

Puzzle #5 is from listener Noah Kurland. Here's an associated link.

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Many thanks to Doug Ross for the music in this episode.

If you have any questions or comments you can reach us at [email protected]. Thanks for listening!