The music, with Kamasi Washington’s jazz-infused theme “Vortex,” feels like a nod to Yoko Kanno’s legendary “Tank!” from Cowboy Bebop. Even the protagonists in their designs seem to be quite similar.

During an interview last year, Tudyk was talking about Firefly when he took a shot at another space western that was canceled.He shared that Christopher Yost’s Cowboy Bebop, a live-action adaptation ...