Invader Zim makes a portal to an alternate universe then He and Gir go into the alternate universe where he meets Invader Blue,S.i.r. unit Gray,Ron and his alternate self and Gir meets his altenate self as well but When Dib arrives he teams up with his alternate self to capture the two Zims Girs and also Invader Blue,Gray and Ron.
S.i.r unit Gray
Tallest Red and Purple/ Alternate Talest Red and Purple
Miss Bitter/Alternate Miss Bitters
Skool childen/Alternate Skool children
Prof.Membrian/Alternate Prof. Membrian
Mr. Elliot/Alernate Mr. Elliot