Simplify the following text for a Grade 10 native English-speaking person.
Original: Upon the initial DVD release of Son of the Mask , Wal-Mart stores sold an exclusive 2-pack of the movie with the two-part pilot episode of the animated series .
Simplified: Upon the initial DVD release of Son of the Mask , Wal-Mart stores sold an exclusive 2-pack of the movie with two episodes of the animated series .