Plot Synopsis

As tradition dictates, Star Butterfly receives the royal magic wand for her 14th birthday, but her parents worry that she is not ready for the responsibility and send her to Earth, a place they deem safe, where she lives with the Diaz family. This animated comedy series follows Star on her new planet, as she continues to battle villains throughout the universe -- now with the help of Marco Diaz -- while trying to protect her wand and attend high school like a typical teenage. Soon after settling in, Star's best friend from her home, Flying Princess Pony Head, pays a visit and feels threatened by Star's new friendship with Marco. After two sneak peek episodes -- Sunday, January 18, 2015 at 9pm ET/PT on Disney and Monday, February 16, 2015 at 9pm ET/PT on Disney XD -- STAR VS. THE FORCES OF EVIL had its official series premiere on Monday, March 30, 2015 from 8-9pm ET/PT on Disney XD, as the cable channel aired back-to-back episodes of the new series. Season 2 of STAR VS. THE FORCES OF EVIL premiered on Monday, July 11, 2016 at 10:30am ET/PT on Disney XD. The second season uncovers the mythology around Star's Royal Magic Wand, her family history and the powers she will someday fully possess. Additionally, Star and Marco's adventures get even weirder as they are introduced to new magical characters. Guest stars for season two include: Al Yankovic, Mayim Bialik, Melissa Rauch, Zosia Mamet, Nick Lachey, Patrick Stump, Carl Weathers, Constance Schulman, Eric Christian Olson, and Yvette Nicole Brown. Reprising their roles are Jeffrey Tambor and comedian Jim Gaffigan.
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Disney XD premieres the fourth and final season of STAR VS. THE FORCES OF EVIL with two back-to-back episodes on the morning of Sunday, March 10, 2019 from 8-9am ET/PT. In Season 4, teen princess from another dimension Star Butterfly and her best friend Marco Diaz will face unusual surprises brought about by Mewni's new ruler, Queen Eclipsa. Some of those surprises revolve around new characters voiced by celebrity guest stars, including Jaime Cami, Tony Hale, Gemma Whelan, Daniel 'Desus Nice' Baker, Joel 'The Kid Mero' Martinez and Danielle Fishel.

"We put our heart and soul into this final season, and can't wait to celebrate the exciting conclusion of the series with our fans who have remained so loyal throughout this journey," said Daron Nefcy, creator and executive producer.

The series stars Eden Sher as Star Butterfly, Adam McArthur as Marco Diaz, Alan Tudyk as King Butterfly, Esme Bianco as Eclipsa, Nia Vardalos as Mrs. Diaz, Rider Strong as Tom, and Jenny Slate as Pony Head.