Puzzles pop up all over the television landscape, whether you’re expecting them or not. For instance, while watching an old episode of The Sopranos the other day, I was surprised to see a Crostic puzzle from our friends at Penny Dell Puzzles in the hands of an FBI agent on the show.

You never know where puzzly ideas will show up, though thanks to a recent viral campaign, we do have some details on the latest Cartoon Network show with a puzzle element.

Infinity Train.

[Image courtesy of Gizmodo.]

Based on an 8-minute short film by Owen Dennis — who worked as both writer and storyboard editor for Regular Show — Infinity Train is an adventure/mystery series featuring a student named Tulip who has a knack for coding and solving puzzles. Tulip ends up on the titular train, discovering not only endless strange worlds inside the train, but dangerous foes and a puzzly mystery to solve.

The folks at Cartoon Network even whipped up a puzzle-fueled challenge for interested viewers.

It started with this brief teaser trailer for the show:

A link in the description box on YouTube directed folks to this website, where a piano puzzle — similar to the one from The Goonies — awaits:

Intrepid solvers quickly figured out that the solution to the puzzle is to play that brief melody you heard in the teaser. If you press (in order) D, B, G, and F#, a full trailer plays as your reward, revealing more scenes from the upcoming TV show.

It’s a cool piece of viral marketing that definitely sparked greater interest in the show, and even before the first episode has aired, fans are already speculating about the infinite train, the strange number on Tulip’s hand that changes depending on her actions, and the sinister characters that want her to “return to her seat.”

[Image courtesy of Infinity Train Fans.]

There is an intriguing mix of danger and excitement to the proceedings, as Tulip and her companions seem eager to unravel the train’s many mysteries, but never forget that they are in peril. It’s a tough tightrope to walk narratively, but if done correctly, it will add tension and drama to the show’s puzzly premise.

Given how much fun — and how challenging — solvers found some of the puzzles connected to Gravity Falls, there’s real potential for those same solvers to find new joys with Infinity Train.

Only time will tell.

Oh, and hey, here’s the full trailer in case you couldn’t crack the piano puzzle:

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