Kids may love this show"and the Dog Man books themselves"largely because the outlandish situations are similar to scenarios in their own hyper-imaginative make-believe play. Except that, at the Lucille Lortel Theatre, young audiences see a fully realized version of such fantasies, with vibrant production values plus some catchy tunes. Tim Mackabee's cartoonish unit set"Harold and George's treehouse"is quiet at first …
