[s4e13] Trial By Fire -

Sean Calder, Michael Golamco, and Thomas Ian Griffith Guest Stars: Daniel Roebuck as Peter Orson (returning from Season 1) Gideon Emery as Damien Barso (The Excandesco) Alexis Denisof as Viktor Beckendorf Critical Reception and Ratings

Critics generally praised the episode for its "continuity" and the payoff of the Adalind/Juliette rivalry. TV Fanatic awarded it 4.5/5 stars, specifically highlighting the fight choreography and the emotional weight of Juliette's confession. [S4E13] Trial by Fire

⚔️ The episode features a fan-favorite "knock-down, drag-out" fight between Juliette and Adalind, marking the first time Juliette fully embraces her powers for combat ( TV Fanatic ). Sean Calder, Michael Golamco, and Thomas Ian Griffith

The arsonist is identified as an Excandesco ( Grimm Wiki ), a rare, phoenix-like Wesen capable of internal combustion. The arsonist is identified as an Excandesco (

The episode was viewed by 4.86 million people during its initial broadcast, holding a 1.1 rating in the 18-49 demographic ( Wikipedia ).

Episode Overview: "Trial by Fire" (Grimm S4E13) The 13th episode of Grimm 's fourth season, " Trial by Fire ," originally aired on February 13, 2015. It is a pivotal chapter that balances a high-stakes "Wesen of the Week" case with major shifts in the series' long-term supernatural dynamics, specifically involving Juliette’s transformation and a long-standing Wesen blood feud. Key Plot Summary