Transformers director Michael Bay is more than just the force-of-blowing-shit-up-nature behind some of the wildly successful, underscripted summer blockbusters that help you drown out the drudgery of your life with two hours of awe-inspiring mushroom clouds and balletically twirling Ferraris; he is also, as you may know, an unquestioned master of a more intimate (if equally mercenary) form of filmmaking—the commercial. Bay's must-read news blog shares this behind-the-scenes clip of a recent Pepsi One ad he helmed, giving us a rare glimpse of how the fauxteur is sometimes willing to put aside his ego to better serve the narrative, resisting every impulse to spectacularly detonate star Kim Cattrall's bathtub just for the selfish purpose of putting his creative stamp on the project.