When does Casper's Scare School return?

The series is based on the animated film of the same name featuring Casper the Friendly Ghost. Casper has to be able to graduate from the Scare School before he gets banished to the valley of the shadows forever. A second season aired in 2012 with a new opening sequence, a new voice cast and a slightly different CGI animation style.
Casper has to be able to graduate through the Scare School before he gets banished to the valley of the shadows forever. Casper goes on many adventures with the students that attend there.