McDonald's is reuniting its McDonaldland gang — including Grimace, Birdie and the Hamburglar — for a new nostalgia-fueled meal. Why it matters: On the heels of the Snack Wrap's return, the fast-food ...

The McDonaldland Meal was just released, along with its new Mt. McDonaldland Shake, which has a "secret concoction of flavors." Here's what it tastes like.