Homeward Bound II: Lost in San Francisco

It's been ten years since the creation of the Great Truce, an elaborate joint-species surveillance system designed and monitored by cats and dogs to keep the peace when conflicts arise. But when a tech-savvy villain hacks into wireless networks to use frequencies only heard by cats and dogs, he manipulates them into conflict and the worldwide battle between cats and dogs is BACK ON. Now, a team of inexperienced and untested agents will have to use their old-school animal instincts to restore order and peace between cats and dogs everywhere.

The story of three pets, a cat and two dogs, who lose their owners when they are all on vacation. Can they find their way home?

Mystery Inc. has cracked the case to top all cases! They’ve tracked down Coco Diablo, the head of a notorious costume crime syndicate. With Coco and her kitty in prison, Mystery Inc. thinks that they can finally enjoy a break. Wrong! Suddenly, menacing doppelgänger ghosts of the Scooby crew and favorite classic foes show up in Coolsville to threaten Halloween. Now it’s up to the meddling kids to unmask the latest scoundrel and save Halloween!

When their trip to San Lorenzo takes a turn for the worst, Arnold and his classmate’s only hope of getting home is retracing the dangerous path that led to Arnold's parents' disappearance.