A more heartwarming plot could be about Stewie and Brian forming an even deeper bond. They could face a situation where they have to protect each other from some external threat. Maybe there's a new neighbor who doesn't like pets and tries to get Brian taken away, and Stewie uses his wits to outsmart the neighbor and keep Brian safe.
Another idea could be a story where Stewie and Brian switch bodies. This would lead to a lot of comical situations as they try to adapt to each other's lives. Stewie in Brian's body might struggle with basic dog behaviors while Brian in Stewie's body would have to deal with the chaos of the Griffins' household and Stewie's advanced intelligence and devious plans.
One possible plot could be Stewie and Brian getting into a wild adventure in the human world. Maybe they have to solve a mystery that involves both human and pet-related elements. For example, they could be on a quest to find a missing family heirloom that has some sort of magical power that affects both humans and animals.
One interesting idea could be their adventures in different time periods. For example, they might travel back to the Wild West and have to deal with outlaws while still maintaining their unique relationship dynamic. Another could be a story where they switch bodies and have to experience life from each other's perspective, leading to comical and heart - warming moments as they understand each other better.
The two main characters, Stewie and Brian, can be portrayed in different ways in fanfiction. Sometimes Stewie might be even more devious than in the original show, and Brian could be more heroic or more flawed. Their interactions are what the readers of this fanfiction are mainly interested in, whether it's them arguing over the TV remote or teaming up to save the day.
One interesting Peter Brian Stewie fanfiction could be about their adventures in an alternate universe. For example, they might find themselves in a world where all the rules of their normal world are reversed. Another could be a story where they team up to solve a mystery in Quahog that has stumped the other residents. Maybe it involves a strange disappearance or a series of odd events around town.
Since the show 'Family Guy' has a large cast of characters, it's likely that the novel would also include some of the supporting characters. Quagmire could show up and add his perverted sense of humor to the mix. And Meg could be there, with her awkward teen - age experiences, which could contrast with Stewie and Brian's more out - there adventures.
One idea could be a story where Brian and Stewie go on an adventure in outer space. They could encounter strange alien species and have to use their wits to get back home.
One interesting Stewie x Brian fanfiction could be 'The Adventures of Stewie and Brian'. It often shows their unique relationship in different scenarios, like going on a time - traveling adventure together. In this fanfic, their contrasting personalities lead to some really funny and heartwarming moments.
In some fanfiction, there could be a story where Stewie and Brian start a lemonade business. They face various challenges like getting the perfect lemon recipe, dealing with competitors, and all the while having their typical comical banter. Stewie's evil genius side might come out as he tries to outwit the other lemonade sellers in town, while Brian provides the more laid - back and rational approach.
They could be in an adventure together. For example, Stewie and Brian could go on a journey through time, using Stewie's wacky inventions. This would be in line with their characters' personalities as Stewie is always creating strange things and Brian is often dragged into his schemes.
I'm not sure there is an official 'Family Guy Stewie and Brian' novel. But if there were, it might involve Stewie's wild schemes and Brian's more rational attempts to deal with them, just like in the show. Maybe they go on some wacky adventures together in the fictional world of the novel.
One aspect that makes Brian x Stewie fanfic interesting is the unique dynamic between the two characters. Brian, the intellectual dog, and Stewie, the baby genius with a devious side, create a lot of room for creative and often humorous interactions in fanfiction.