A few weeks ago Mission Viejo.
They were tired from jetlag and a full day of promoting their latest book, "The Bridge to Never Land."
Their latest is part of the ongoing series "Peter and the Starcatchers," which is based on the play Peter Pan.
To find out why they're laughing so hard, click on the video above.
For a little more context, check out Dave Barry's explanation on his blog.
Come back to Mission Viejo Patch for more Barry/Pearson videos later this week.