How many movies have Christian Kaplan and Marshall Efron collaborated on?

They have worked on 3 movies together! Their first movie together was Robots (2005) while their highest rated movie together was Ice Age: The Meltdown (2006). They have not worked together since Horton Hears a Who! (2008). They are most known for their family films together.

Crew
Casting
Role
Lamppost / Toilet Bot / Bass Drum / Microphone