Centipede was released for the arcade by Atari in 1980. It’s a game where you swerve back and forth as you fire at bugs and try not to get eaten. Halt and Catch Fire featured it in its very first episode and again in last night’s series finale, proving once and for all the show is more than just the sum of its…

Halt and Catch Fire has always been less about the big tech ideas themselves than the people struggling to discover them. While the burgeoning internet sets the backdrop for season four, the first couple episodes show Cameron’s struggle to get Atari to publish her high concept walking sim.

AMC’s Halt and Catch Fire returns tonight for its fourth and final season. It’s become one of the best prestige television shows still left standing, and while there’s a lot of stuff it gets right and does well, few things show off the series’ charm like the episode it dedicated to Super Mario Bros.