Thomas Lennon, who co-wrote the first two films with Ben Garant, from Comedy Central's Reno 911, suggested the third script is being written:
"I wonder if someone's not even already working on a script for that," he added with a raised eyebrow. "I cannot confirm that for a fact, but I cannot deny it for a fact either... It might be in the works."
Night at the Museum and Night at the Museum: Battle of the Smithsonian starred Ben Stiller, Robin Williams, and Ricky Gervais among an ensemble cast.