Winx Club - Season 4 - Eps 25: Morgana's Secret
Nebula captures Morgana and conquers the magical kingdom of Tir Nan Og. Then, she leads her army into the Omega Dimension where the remaining Wizards are hiding. After freeing Morgana, Roxy discovers that she is Morgana's daughter. Later, the Winx girls must face Nebula's vengeful army, led by their new lieutenant — Layla. Morgana and the Winx girls are able to convince the Fairies of Vengeance not to seek revenge, but now must also convince Layla and Nebula of the same.
About Winx Club

Title: Winx Club
First Air Date: 2004-01-28
Last Air Date: 2019-07-09
Status: Returning Series
Rating: 8/10 (from 497 votes)
Language: IT
Seasons: 10
Total Episodes: 208
Network: Nickelodeon Nick Jr. Rai 2
Genres: Kids, Animation, Sci-Fi & Fantasy, Action & Adventure, Mystery
Production Companies: Rainbow, 4Kids Entertainment
Synopsis
In a magical universe, witches, warriors begin fighting in the name of good .vs. evil! At a magic school, five teenage girls are selected to defend the universe with their magic.
Cast

Letizia Ciampa
Bloom (voice)

Perla Liberatori
Stella (voice)

Gemma Donati
Musa (voice)

Ilaria Latini
Flora (voice)

Laura Lenghi
Aisha (voice)

Domitilla D'Amico
Tecna (voice)

Federica De Bortoli
Darcy (voice)

Valeria Vidali
Stormy (voice)

Alessandro Quarta
Sky (voice)

Antonella Giannini
Griffin (voice)