Eliot Shag is having a tough time thinking up a New idea for a Ace Hart adventure - until a squeaky toy named 'Mr. Mokey"" sparks his inmaination. Unfortunately, the plot lands Ace nose-to-nose with the infamous gang of Bugsy (the Dogfather) and his mongrel mafia!
Arch bad dog Bugsy Ville is sentenced to the Dog Pound after naming his dumb dumb nephew Bruiser as the gang's new Dogfather. But even with Ace and Roise hot on his tail, Bruiser somehow pulls off a series of brilliant crimes that prove every dog does have his day!
After meeting Artie's mother, Eliot catches Spring Fever. He creates an array of embarrassing romantic moments for Ace and Rosie while they attempt to rescue the mayor's secretary from the Vile gang.
Dog City's annual shipment of flea powder has been pilfered and Hijacked And Ace Hart the local flatpaw along with the lovely Chief of detectives Rosie O'Gravy are itching to sniff out the culprits! Ace finds himself barking up the wrong tree, untill though a poetry spouting bow wow named Mad Dog that lends Ace and the flatpaws a paw!
Rosie and Ace become blues-singing hoboes when the newly-elected Mayor Vile strips them of their Dog Licenses.
Eliot swaps superhero stories with Artie and decides it's time to introduce a superhero to Dog City. However, when the "Watch Dog" quickly rises to star status, Ace gets jealous.
When Ace learns Eliot plans to invite Artie's mom on a date, Ace announces: romance is for saps. Eliot disagrees and sets up a classic film noir to prove his point.
Artie's enthusiasm plus some fun letters, inspire Eliot to do a story with all the favorite characters, featuring Eddie as kidnap victim. The vile Gang get more chatter and advice from Eddie than they can stand.
When Rosie is missing, Ace is hired to find her. With clever sleuthing and a series of interviews, he discovers things about Rosie he never imagined.
Eliot teams up with his animation teacher to write an Ace Hart/ Sam Spayed adventure. Eliot and Ace each have conflicts with their mentors, but eventually realize two things. You can teach old dogs new tricks, and the young can learn from the old.
Eliot is ill but must meet a story deadline. Much to Ace's annoyance, Eliot's creative neighbors all pitch in to help, injecting their own styles to story and animation as they take turns.
Ace and Eddie visit Jurassic Park and Bugsy steals the secret chemical for cloning dinosaurs. Artie creates his own cartoon featuring the squeaky toy Mr. Mookie.
Eliot shows Artie that learning can be fun after Terri voices her concern over Artie's poor math grade. Meanwhile, Ace Hart tries to solve a case involving Bernie, the big pink star of the wildly popular kiddy show and discovers it's the Vile gang.
Eliot salutes the horror genre in this chiller thriller, but strange things start happening in his own building as Artie, Bruno and Eliot begin to think that Bruiser has gone mad in a case of mistaken identity. Meanwhile Ace Hart and Eddie have stumbled onto a plot by Rottweiler to take over the world with his Sci - Fido monster and Rosie as it's bride!
Eliot helps Artie to understand that a hero doesn't have to be a super hero. Sometimes heroes are just ordinary dogs doing ordinary things, like his mom, Terri.Ace and Bugsy battle it out for the "Hero of the Year " award.
Artie has every doggie in the building recycling, but not before he makes life miserable, especially for Eliot!Meanwhile, Ace Hart uncovers another plot by the Baron Bon Rottweiler to take over the world when all the trees in Dog City are tree napped.
Eliot and Artie help each other overcome their fear of the future.While Ace and Eddie chase Rottweilers most recently commissioned world domination device -- a doggie door time portal machine.
Eliot kicks off a crash exercise course with Artie as his trainer so he can run with Terri in the Dog City marathon and learns that you cant get in shape overnight. Ace Hart gets his fair share of exercise at the Fido Olympics, as he tries to solve the mysterious disappearance of the athletes and ends up competing against Bugsy Vile!
It’s the summer and everyone is excited, about to disperse on their vacations. Eliot however is stuck behind doing a show. So he sends Ace & Rosie on a vacation, accompanied by Eddie and Dot.