Compared to the film it was based on, it was a major improvement.
Very hilarious moments, such as Pig abruptly interrupting each episode to break the fourth wall in a humorous and charming way.
Otis' relationship with Abby the cow is very interesting to watch.
Plenty of likable characters, such as the main animals: Otis, Abby, Bessy, Pip, Pig, Freddy, Peck and Duke.
The theme song is very catchy.
Some endings are either really good or very funny.
Very intimidating main antagonists, such as Snotty Boy and Mrs. Beady.
Original and creative stories and plots, such as Otis, Freddy and Pig dressing up as girls and ending up dating Snotty Boy and his friends in the episode "Some like it Snotty".
Talented voice acting, especially from Wanda Sykes, Tino Insana, Cam Clarke and Rob Paulsen.
Great jokes.
Intelligent and clever writing.