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Otis is bored of Abby's book club, so he releases Wild Mike from a cage so they can have a dance party, but things get out of control when Wild Mike accidentally escapes the barn and is captured by humans to use on a dancing TV show.

Abby is excited that her cousin, Veronica, is coming to the barnyard for a visit, but it turns out Veronica, despite appearing to be nice on the outside, is actually using her beauty to manipulate the animals into doing things to please her.

After Freddy gets struck by lightning, he becomes a genius and knows everything, so they get him to compete in a trivia show so they can win a million dollars. They realize that, unfortunately, Freddy's intelligence is only temporary and he becomes stupid again after a prolonged period of time. So the animals make an electrical system to make Freddy smart with each shock. But the problem is, every time a question is announced, he keeps getting dumb again and again. Frustrated that he keeps getting dumb, Freddy goes backstage and shocks himself at high velocity and dreams that he meets with Albert Einstein who gives him the answer to the final question which is actually incorrect so Freddy curses Albert Einstein for making him lose.

Otis' old best friend, Eddie comes to visit. Otis is mad because Eddie stole his product idea for pizza flavored gum. Eddie claims to have seen the error of his ways and wants new product ideas. Eddie starts hanging out with the gang and wins them over, except for Pip, who is suspicious. Pip then finds out that Eddie is just a sleazy, backstabbing jerk and reveals this to the gang. The gang decides to get rid of him by having the crows send Eddie flying off in a car made from cobs of corn from the field. Unfortunely, Eddie manages to make a bundle off the car, leaving the others in shock, except for Pig, who stupidly thinks Eddie won.

In the series finale, Otis orders a satellite dish online in order to watch monkey boxing from Rio. Mrs. Beady sees this and believes that he is secretly signaling Aliens. Otis finds out and tries to prank Mrs. Beady with a fake alien invasion broadcast. This broadcast is sent to real aliens who are attracted to Earth and plan to conquer and destroy the planet. The animals must stop and stall them while they figure out their weakness.