Ep 3. Squeeze the Day

Bloo awakens to a mysteriously empty house. Mac eventually comes to Foster's and discovers that everyone went to the beach without Bloo. What he doesn't know is that they purposely "forgot" Bloo, confident that he'd ruin their relaxation. Mac clues in Bloo on the realization that for the next eight hours, they have the house completely to themselves without any rules or restrictions. Upon this revelation, they go absolutely wild and settle down only to try and figure out the most awesome of awesome things they can possibly do, something that they'll remember for the rest of their lives.