The title is not only a reference to the "Utility Fog", but also marks the beginning of the suspicion of there being a mole on The Team.
This events of this episode occur on August 7th, 8th, and 9th.
Wally's first day of high school (in Central City) is August 8, yet, curiously, M'Gann and Superboy don't start high school classes (presumably in Happy Harbour) until September 7, in a later show.