Curious George 2: Follow That Monkey! is a 2009 animated comedy film of the children's stories by H.A. Rey and Margret Rey. It is a sequel to the successful 2006 theatrical feature film "Curious George". It was originally titled "Curious George 2: Monkey on the Run". It was released straight to DVD.

Based on the paragraph above can we conclude that "Curious George 2: Follow That Monkey! was the final film in the Curious George series."?
It's impossible to say