10 Sci-fi Shows That Are Action-Packed Roller Coasters From Start to Finish

Slow buildups and long talks about scientific concepts are great, but in sci-fi, sometimes viewers just want to jump on a roller-coaster and keep going. For that reason, this list will ignore shows like The Expanse and Stargate SG-1, where there are notable action sequences, but viewers have to bear with long periods of doctorate-level scientific discourse first. Let’s leave the heavy theory to the professors.
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