It's a commonly held belief, mostly because it's generally true, that no worthwhile movies open on either the last weekend of August or Labor Day weekend. So I hope I wasn't alone, among reviewers, in feeling trepidation about my most recent cineplex duties, given that this year, in a calendar rarity, those weekends were one and the same. (Would the films be twice as bad as usual? Would there be twice as many bad films to contend with?) But I'm pleased, and somewhat shocked, to report that my latest movie-going experiences weren't relentlessly grim. They were just relentlessly weird, especially considering I had the best time at the weekend's worst picture, and the lineup's most professionally rendered offering made me fall dead asleep.

NIGHT AT THE MUSEUM: BATTLE OF THE SMITHSONIAN

Night at the Museum: Battle of the Smithsonian is to its precursor what Ghostbusters II is to Ghostbusters: the less-novel offering, sure, but a follow-up of surprising wit and great throwaway touches, and one that, in many ways, improves on source material that was pretty terrific to begin with. Despite its titular locale, no one is going to mistake director Shawn Levy's adventure comedy for a work of art, yet when this follow-up is really working - which is surprisingly often - it provides a giddy, giggly rush, and it's filled with comic bits that you could probably watch three or four times in succession and laugh at every single time. The movie is scrappy, silly, and a load of fun.