Sequel to the 2016 animated hit. Poppy and Branch discover that there are six different troll tribes scattered over six different lands. Each tribe is also devoted to six different kinds of music -- funk, country, techno, classical, pop and rock. When rockers Queen Barb and King Thrash set out to destroy the other music, Poppy and Branch embark on a daring mission to unite the trolls and save the diverse melodies from becoming extinct.
At birth the Black Widow (aka Natasha Romanova) is given to the KGB, which grooms her to become its ultimate operative. When the U.S.S.R. breaks up, the government tries to kill her as the action moves to present-day New York, where she is a freelance operative.
Scooby and the gang face their most challenging mystery ever: a plot to unleash the ghost dog Cerberus upon the world. As they race to stop this dogpocalypse, the gang discovers that Scooby has an epic destiny greater than anyone imagined.