External Reviews
- FlickFilosopher.com - DVD review [MaryAnn Johanson]
- Blu-ray.com (Blu-ray) [Casey Broadwater]
- Blu-ray.com (Blu-ray) [Michael Reuben]
- doblmann.de - Series 2 DVD Review (German)
- doblmann.de - Series 3 DVD Review (German)
- DVD Verdict - Set 1 (Blu-ray) [Gordon Sullivan]
- Filmreporter.de [Julia Stoll] (German)
- Filmstart.biz [Peter Hoch] (German)
- iF Magazine DVD Review Season 1 [Abbie Bernstein]
- PopMatters [Lara Killian]
- Powermetal.de - VideoZone (1. Staffel)
- Powermetal.de - VideoZone (2. Staffel)
- Powermetal.de - VideoZone (3. Staffel)
- RPGnet
- The Rued Morgue - Sets 1 & 2 Blu-rays [Ross Ruediger]
