The Attack of Tac-Nyan is a minor episode from season seven.
Embless decides to take a walk in the woods. A creepy goblin-like creature appears, prompting Embless to leave. He tells his team, and they work out a group to head out and investigate. The team goes into the woods well-armed, where they find more monsters. They soon come upon the puppeteer: Tac-Nyan. They fight and defeat Tac-Nyan, saving the forest.
"Embless takes a walk... and encounters a strange creature."