Monster Watch is an animated spin-off based on the Ben 10 franchise. Not much is known about the series yet, as its existence was just recently announced.
Promotional videos[]
An impromptu promotional trailer was released on the YouTube channel Monster Watch, advertising the eventual release of the series.
Monster Watch - Promo -1
Promotional trailer
Speculation[]
In the trailer, three silhouetted aliens can be seen. Going left to right, they seem to greatly resemble fan aliens Chill Factor and Hydro-Tide. The alien on the far right was confirmed to be Flarecrow.
Flarecrow's official art