When does Tinkerbell 2 show?

There is no "Tinkerbell 2."

The second movie in the Tinker Bell series is called "Tinker Bell and the Lost Treasure" (released in 2009).

There are several other Tinker Bell movies in the series:

* Tinker Bell (2008)

* Tinker Bell and the Lost Treasure (2009)

* Tinker Bell and the Great Fairy Rescue (2010)

* Secret of the Wings (2012)

* The Pirate Fairy (2014)

* The NeverBeast (2015)

* Legend of the NeverBeast (2015)

Perhaps you're thinking of one of those?