By the climax—a thrilling chase through the sewers involving a giant wave of Christmas presents—Roddy learns that a family doesn’t have to be made of porcelain dolls and cricket trophies. It can be loud, messy, and covered in garbage. The film’s final act, which sees Roddy make a genuine sacrifice for his new friends, elevates it from simple comedy to heartfelt storytelling.

While Flushed Away is a DreamWorks picture, it was co-produced by Aardman Animations, the British stop-motion legends behind Chicken Run and Wallace & Gromit . The film’s visual DNA is pure Aardman. Although the characters are rendered in CGI (a necessity due to the watery environments that would have melted physical clay), the animators preserved the signature textures, rubbery movements, and expressive, slightly wonky teeth of their clay creations.

That changes when Sid (Shane Richie), a common, vulgar sewer rat, erupts from the sink. When Roddy’s attempt to trick Sid into "taking a holiday" via the toilet backfires, Roddy is the one who gets flushed. He is hurled through a watery vortex and emerges in a vast, subterranean metropolis: "Ratropolis," a London sewer system built from discarded junk, chewing gum wrappers, and clam shells.

And what a villain he is. The Toad is a masterclass in animated antagonists. Once the celebrity mascot of a children’s amusement park ("Frogland"), he was replaced by a pop-singing frog boy band, leaving him bitter, vengeant, and obsessed with French culture (despite a hatred of the French). His master plan is delightfully absurd: freeze Ratropolis with a giant icicle cannon and flood it with his army of hench-rats, led by his hapless cousins Spike and Whitey (Andy Serkis and Bill Nighy).

Flushed Away was not a massive box office bomb, but it underperformed relative to DreamWorks’ bigger hits, largely due to stiff competition (it opened against Casino Royale and Happy Feet ). Over time, however, it has cultivated a devoted cult following.