In the main series
Major appearances
Multiple Patrat debuted in In The Shadow of Zekrom!. They also appeared in Enter Iris and Axew!.
Three male Patrat were seen in the beginning of Emolga the Irresistible! gathering apples. Their harvest was stolen by a gluttonous Emolga who tricked them with Attract.
A Patrat appeared in The Forest Champion!, where it, along with a Sentret and Pachirisu, was gathering food, only to be scared by an Ursaring. However, they were saved thanks to the forest champion Hawlucha.
A Patrat appeared in a flashback in A Trip Down Memory Train!, where it was among the group of Pokémon that befriended Clemont's Bunnelby when it was still a wild Pokémon.
Minor appearances
Multiple Patrat appeared in A Sandile Gusher of Change! alongside multiple Pidove and Deerling when they needed help from Ash and his friends.
A Patrat appeared on a computer screen in The Battle Club and Tepig's Choice!.
A pair of Patrat made a brief appearance in Sewaddle and Burgh in Pinwheel Forest!, where Burgh was able to heal a sick one.
Omega has a Patrat he used in Reunion Battles In Nimbasa! for the Club Battle, but they lost.
Patrat made cameo appearances in Triple Leaders, Team Threats!, Dreams by the Yard Full!, A Rival Battle for Club Champ!, A Connoisseur's Revenge!, Battling for the Love of Bug-Types!, The Mighty Accelguard to the Rescue!, Stopping the Rage of Legends! Part 1, Climbing the Tower of Success!, Search for the Clubultimate!, Clash of the Connoisseurs!, All for the Love of Meloetta!, Ash, Iris and Trip: Then There Were Three!, and Mission: Defeat Your Rival!.
Multiple Patrat appeared in Lost at the Stamp Rally!.
A Patrat appeared in Battling the Bully!, under the ownership of Sean's father.
Multiple Patrat appeared in Kyurem VS. The Sword of Justice, during the Swords of Justice legend.
A Patrat briefly appeared in the elder's flashback in A Village Homecoming! and also in one of Iris's flashbacks in Drayden Versus Iris: Past, Present, and Future!.
A Patrat appeared in Team Plasma's Pokémon Power Plot!.
Multiple Patrat appeared in Secrets From Out of the Fog!.
A Patrat appeared in Saving Braviary.
A Patrat appeared in Meowth, Colress and Team Rivalry!.
A Trainer's Patrat appeared in Cilan and the Case of the Purrloin Witness!.
Multiple Patrat appeared in a flashback in The Island of Illusions!.
A Patrat appeared in Searching for a Wish!.
A Patrat appeared in a fantasy/flashback in The Journalist from Another Region!.
A Patrat appeared in Celebrating the Hero's Comet!.
A Patrat appeared in Grooming Furfrou!.
A Patrat appeared in the book Bonnie was reading in The Clumsy Crier Quiets the Chaos!.
A Patrat appeared in Pikachu and the Pokémon Music Squad.
A Trainer's Patrat appeared in Unlocking Some Respect!.
Three Patrat appeared in A Full-Strength Battle Surprise!. These Patrat were among a group of Pokémon escaping a forest where Team Flare were conducting an experiment.
A Patrat appeared in Volcanion and the Mechanical Marvel as one of the Pokémon seen at Nebel Plateau.
A Patrat appeared in Battling With a Clean Slate!, under the ownership of an unnamed Trainer.
Two Trainers each owned a Patrat, which appeared in The First Day of the Rest of Your Life!.
In the Pokémon Black 2 and White 2 Animated Trailer
A Patrat appeared in the Pokémon Black Version 2 and Pokémon White Version 2 Animated Trailer, under the ownership of a resident of Aspertia City.