Blame it on Allison.  In one of her wonderful lists, "Top 10 JQ episodes You're Never Gonna See," she wrote:

" 3. During a long flight, each member of the Quest Team daydreams that  they are characters in various Broadway Musicals."

If you've been to that corner of my site, you'll know I could never pass that one up.

"On Broadway"

Part 1 - "This Is The Moment"
Part 2 - "Any Dream Will Do"
Part 3 - "Something's Coming"
Part 4 - "Buenos Aires"
Part 5 - "Luck Be A Lady"
Part 6 - "I Should Tell You"
Part 7 - "All That Jazz"