Untitled Night at the Museum Spin-off

Before the release of Night at the Museum: Secret of the Tomb, a spin-off film was planned, and would have focused on Jedediah and Octavius.

Plot
Unknown.

Why It Was Cancelled

 * 1) Night at the Museum: Secret of the Tomb is the final installment of the Night at the Museum franchise.
 * 2) Robin Williams passed away in 2014.

Results

 * 1) The film was permanently cancelled.
 * 2) The Night at the Museum film series ended up being a Trilogy.

Trivia

 *    Night at the Museum is getting rebooted for Disney Plus.