Tron
Tron has always mattered more for its imagination than its box office. The 1982 original pictured the inside of a computer as a neon gladiatorial world years before audiences had the vocabulary for it, and the franchise has spent decades returning to that aesthetic with new tools.
The story spans media by necessity. Legacy revived the films in 2010, the animated series Uprising deepened the Grid's politics, and a string of games (Tron 2.0, Evolution, Run/r) let players actually ride the light cycles. With Ares extending the saga, Tron remains less a continuous narrative than a recurring visual idea, the digital frontier rendered as stark, glowing geometry. Its influence on how screens picture cyberspace is hard to overstate.
The Tron franchise spans 1 series, 3 games, 3 films in the CrossBinge catalog.