DreamWorks is wasting no time in turning their surprise blockbuster Trolls into a franchise, with a theatrical sequel announced a few days ago and a holiday TV special quietly being announced by Hasbro at their recent shareholder meeting, Den of Geek says in their recap of their slideshow presentation. In addition, an announcement was made regarding Olaf’s Frozen Adventure that revealed it will have four new songs. Both are set to air on NBC and ABC respectively this Christmas.