Dog [ ]
A dog appeared in episode 19, when a man was walking a dog.
A dog also appeared on Bellick's coup in episode 19.
Dogs appeared in episode 22 of season 1 .
Dogs appeared in episode 8 of season 2 . Cat [ ] Mouse [ ] Rat [ ] A rat appeared in season 1
A rat also appeared in season 3
Birds [ ] Pigeon [ ] A pigeon was killed by one of the guards in Prison Break - The Conspiracy (Game) .
Spider [ ] A spider was seen during the Big Riot , when Teets did met Tom Paxton .
Appearances [ ] Episodes featuring Animals
Season 1 Season 1
"Pilot "Allen"
"Cell Test"
"Cute Poison"
"English, Fitz or Percy"
"Riots, Drills and the Devil, Part 1"
"Riots, Drills and the Devil, Part 2"
"The Old Head"
"Tweener"
"Sleight of Hand"
"And Then There Were 7"
"Odd Man Out"
"End of the Tunnel"
"The Rat"
"By the Skin and the Teeth"
"Brother's Keeper"
"J-Cat"
"Bluff"
"The Key"
"Tonight"
"Go"
"Flight
Season 2 Season 2
"Manhunt"
"Otis"
"Scan"
"First Down"
"Map 1213"
"Subdivision"
"Buried"
"Dead Fall "Unearthed"
"Rendezvous"
"Bolshoi Booze"
"Disconnect"
"The Killing Box"
"John Doe"
"The Message"
"Chicago"
"Bad Blood"
"Wash"
"Sweet Caroline"
"Panama"
"Fin Del Camino"
"Sona"
Season 3 Season 3
"Orientación"
"Fire/Water"
"Call Waiting"
"Good Fences"
"Interference "Photo Finish"
"Vamonos"
"Bang and Burn"
"Boxed In"
"Dirt Nap"
"Under and Out"
"Hell Or High Water"
"The Art of the Deal"
Season 4 Season 4
"Scylla"
"Breaking and Entering"
"Shut Down"
"Eagles and Angels"
"Safe and Sound"
"Blow Out"
"Five The Hard Way"
"The Price"
"Greatness Achieved"
"The Legend"
"Quiet Riot"
"Selfless"
"Deal or No Deal"
"Just Business"
"Going Under "The Sunshine State"
"The Mother Lode"
"Versus"
"S.O.B."
"Cowboys and Indians"
"Rate of Exchange"
"Killing Your Number"
"Prison Break: The Final Break"
Trivia [ ] Rat's dies always in Prison Break Tweener who was also a rat by betraying his friends and then the rat from season 3, who was killed by the Sona guards. 
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