The best episode written by Zach Paez is "Fight Fighters", rated 8.396/10 from 24 user votes. It was "directed by John Aoshima". "Fight Fighters" aired on 9/14/2012 and is rated 0.3 point(s) higher than their second highest rated, "Society of the Blind Eye".
After being challenged to a video game battle by Robbie, Dipper is shocked when his favorite playable fighter, Rumble McSkirmish, comes to life to defend him. But Dipper soon loses control over Rumble McSkirmish and has to find a way to stop him.
Director: John Aoshima
Writer: Zach Paez
The kids, along with Old Man McGucket's help, discover there is a secret society in Gravity Falls.
Director: Sunil Hall
Writer: Zach Paez
Dipper and Mabel go trick-or-treating in the summer and encounter a candy-loving monster who threatens to devour them if they don't bring him sweet things to eat.
Director: John Aoshima
Writer: Zach Paez
Faced with an unreasonable amount of Spanish homework, Jeff's efforts to handle Señor Chang manage to help him, but not the rest of the class.
Director: Seth Gordon
Writer: Zach Paez
When her April Fools' Day prank inadvertently sends a human cadaver out the anatomy lab window, Britta looks to place the blame on Jeff.
Director: Adam Davidson
Writer: Zach Paez
Dipper and Mabel discover that their seemingly cherubic new neighbor, Lil' Gideon, happens to be the town's adored psychic. But when Lil' Gideon guilts her into dating him, she and Dipper soon learn that his cuteness can fade all too quickly.
Director: John Aoshima
Writer: Zach Paez