Good cheap off-broadway show for a weekday afternoon in NYC?

Answer 1

25 Questions for a Jewish Mother
Altar Boyz
How to Save the World and Find True Love in 90 Minutes
Jacques Brel is Alive and Well and Living in Paris
The Fantasticks

You can find show times and prices at broadway.com. They have listings of many other off-Broadway shows as well.

And don't forget that you can also get off-Broadway half price tickets at the TKTS booth in Times Square.

http://www.tdf.org/tkts/#