Duración: 30 min.
Dirección: Matt Duffer (Creador), Ross Duffer (Creador), Phil Allora, Eric Robles
Guion: Jennifer Muro. Saga creada por: The Duffer Brothers
Once (Eleven): Dobladada por Gala Pérez (voz original: Brooklyn Davey Norstedt).
Mike Wheeler: Doblado por Alex Rodés (voz original: Luca Diaz).
Will Byers: Doblado por Quim Solé (voz original: Benjamin Plessala).
Dustin Henderson: Doblado por Nil Esteve (voz original: Braxton Quinney).
Lucas Sinclair: Doblado por Mario Blasco (voz original: Elisha Williams).
Nikki Baxter: Doblada por Marta Rodríguez Conte (voz original: Odessa A'zion).
Jim Hopper: El actor de voz original del doblaje español retoma su papel para este spin-off animado.
Anna Baxter: Doblada por Cristina Mauri (voz original: Janeane Garofalo).
Max Mayfield: La actriz de doblaje para esta versión aún figura como no identificada en algunas fichas técnicas, aunque se ha confirmado que mantiene la coherencia con el estilo de la serie.
Compañías: Flying Bark Productions, 21 Laps Entertainment, Upside Down Pictures, Netflix Animation. Distribuidora: Netflix
Género: Serie de TV. Animación. Fantástico | Terror para niños. Spin-off. Monstruos. Sobrenatural. Adolescencia
Video: MPEG4 Video (H264) 1920x1080 24fps [V: English [eng] (h264 high L4.0, yuv420p, 1920x1080) [default]]
Audio: AAC 48000Hz stereo [A: Spanish (Spain) [bre] (aac lc, 48000 Hz, stereo) [default]]
Subtitle: UTF-8 [S: Arabic [ara] (subrip) [default]]
Subtitle: UTF-8 [S: Arabic (Forced) [ara] (subrip) [forced]]
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Subtitle: UTF-8 [S: English [eng] (subrip)]
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Subtitle: UTF-8 [S: Spanish (Spain) [spa] (subrip)]
Subtitle: UTF-8 [S: Spanish (Spain SDH) [spa] (subrip)]
Subtitle: UTF-8 [S: Spanish (Spain Forced) [spa] (subrip) [forced]]
Subtitle: UTF-8 [S: Swedish [swe] (subrip)]
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Subtitle: UTF-8 [S: No subtitles]