John Krasinski's version of Jack Ryan is a busy man. Not only did he spend four seasons defending the United States from foreign threats, he had to contend with the towering frame of Jack Reacher. Despite the many differences between Ryan and Reacher, the comparison was too good to ignore. These were two Prime Video "Dad shows" belonging to the action thriller genre, both released around the same time, both starring ex-military protagonists with the initials J.R., both based on famous book series, and both structured with standalone storylines for each season.

Amazon's Battle of the Jacks was a close contest, with Reacher arguably edging it thanks to the high quality of seasons 1 and 3 compared to Jack Ryan 's poor final season. Indeed, Jack Ryan ending with season 4 seemed

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