While the Winx try to stop the attack on the Sun, the Specialists have to deal with the two dark giants that are about to attack Gardenia. Meanwhile, Obscurum goes to Lumenia to claim his throne. Valtor tries to take possession of Bloom's Cosmix power, but is rejected by the power itself and sent to the dimension of Limbo. The Winx, thanks to the help of Specialists and Orion, save the Sun and Gardenia. But Valtor is ready to return and free the Trix from their space-time prison! (thetvdb.com)