Regardless of any innovation, pinballmachines will never be completely reliable - in a contraption made from up to 3, 500 parts connected by half a mile of wiring, there's just too much to go wrong.
The entertaining episode also features a guest appearance from pinball designer John Popaduik who, through his work at electronic gaming manufacturer Williams Bally Midway, played an integral role in the design process for pinballmachines such as Circus Voltaire and Theatre of Magic.
There are also simpler ways to improve reliability: most pinballmachines have more than 100 or so incandescent bulbs that need to be replaced regularly, but new machines like The Wizard of Oz are equipped with LED lighting that should last longer than the machine itself.
But a new generation of pinball players brought up on digitally identical video games may find this quirkiness actually adds to the attraction of the machines.