User blog comment:PlantyThePottedPlant/Random Topic Blogging II: Electric Blogaloo/@comment-5266101-20120215194939

Happy Tree Ferb, a crossover of P&F and Happy Tree Friends. According to the page, it was going to have the usual blood and gore of HTF, but couldn't afford to put it on another channel (Disney Channel is for kids) so they removed the blood and gore.