Watch Robin Williams in new trailer for 'Night at the Museum: Secret of the Tomb'

One of Robin Williams' final films finds him doing one of the things he did best: Making kids laugh.

A new trailer for Night at the Museum: Secret of the Tombjust premiered, and it features Williams reprising his role as President Theodore Roosevelt. Or actually the statue of Teddy Roosevelt in the Natural History museum that comes to life at night. The film also stars Ben Stiller, Owen Wilson, Steve Coogan, Dan Stevens, Dick Van Dyke and Rebel Wilson as various museum security guards and exhibits.

It's hard to watch without getting a little teary. The film hits theaters Dec. 19.

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