From the Backline Archives:

Time Travel!  It’s impossible!!!  OR IS IT?  In this episode Rob and Adam go back ten years into the past to warn their earlier selves about improv techniques, philosophies, and rules that they focused on when they were young – but don’t use at all in the FUTURE.  HEED THEIR WARNINGS!  Don’t waste your time like they did.  Make the most of the time you have!  Improvise smarter – while you still can!  Passive-Aggressive Burns:  Lots.  Through both 3rd and 4th Dimensions