Before teams received this final runaround, there was a segment (not described on the web site) where teams had to collect the items of clothing which were answers to the star metas, dress one of their members in the resulting costume, and face a bunch of villains, each of which could be defeated using one of the powers which were answers to the regular metas. At the end of this series of villains, the runaround was provided.
Hunt: MIT Mystery Hunt 2005
Round/Puzzle# Endgame
Author: Greg Pliska, Kiran Kedlaya