Emma Katz is a spunky 10-year-old in the Philadelphia suburbs whose constant forays into her imagination (and consequent costume changes) put her at odds with her more conservative friends and family. When Emma's teacher assigns her Erik the Red for her World Discovery Day report, Emma begins to channel her own inner Viking, setting off on a real adventure to change her community for the better. 

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Yo, Vikings! was originally commissioned by Upper Darby Summer Stage, where it premiered in 2010, followed by productions across the world including The Hangar Theater, Interlochen Center for the Arts, Children's Musical Theaterworks (Fresno, CA), Point Park University, and Emerson College. The show was featured in the Emmy-nominated 2019 HBO documentary Song of Parkland, and is licensed by Concord Theatricals.