These elements also explain the advent of the PG-13 rating in what has been a PG series. Yet the fourth installment of the adaptation of J.K. Rowling's book series is a pretty mild PG-13. It does give Warner Bros. a bit of cover if parents of preteens or younger kids decide their children were too upset by the film -- because they were warned. In fact, the movie is probably safe fare for most preteens, though it does contain nightmarish fantasy images, sometimes bloody violence, death-defying feats and mild sexual innuendo.

Scary bits include a huge, slithering serpent, a creepy spider and a pogrom-like attack on the Quidditch World Cup by the Death Eaters. Harry battles a flying, fire-breathing dragon and underwater monsters before taking on Voldemort. The evil lord's servant, Wormtail (Timothy Spall), cuts off his own hand and gashes Harry's arm for blood. With his snake-like face (just slits for a nose) and skeletal body, Voldemort is very creepy. Their battle unfolds with intense pyrotechnics, resulting in a collateral death and grieving at Hogwarts. An adult character drinks strong brew, there is a droll reference by an adult to single malt scotch and the script contains an instance of mild profanity.

The young stars have grown in size and as actors. In showing more nuanced emotions, such as Ron's jealousy of Harry, they're better matched with the great British film and stage actors in the adult roles. (The newest is Brendan Gleeson as Alastor ''Madeye'' Moody, with a rather hilarious magic eyeball strapped over his own bad eye.) Hogwarts, this new film shows, is as stressful and competitive as any top school in the real world.

High-schoolers, even if they're not into country music or celebrity bios, would find soulful entertainment in ''Walk The Line.'' Terrific lead performances -- especially by Joaquin Phoenix, who is simply astonishing as the late Johnny Cash -- set this traditional film biography ablaze, while the country music soundtrack sets its pulse apounding.

Phoenix does not mimic, but embodies Cash as a young upstart with genius and a troubled spirit. Phoenix and Reese Witherspoon, as fellow country singer June Carter (before she married him), do their own singing and the result is hugely exhilarating.

Like the Ray Charles biopic, ''Ray'' (PG-13, 2004), ''Walk The Line'' portrays a troubled childhood, early loss of a beloved sibling, a struggle to break into the business, fame, drug addiction and redemption. Yet ''Walk The Line'' is as much a love story as showbiz saga.

The movie strongly implies one lapse in Cash's and Carter's restraint during their long non-courtship -- an overnight tryst showing the two cuddling on a bed, implying they had sex. Other innuendo involves flirty groupies. An early scene shows a child dying of wounds from an off-screen accident with a buzz saw. The PG-13 rating reflects drug use, drinking, smoking, Cash's verbally abusive dad (Robert Patrick) and rare profanity.

This flawed but lovely, ruminative film, about emotional fault lines within a gifted family (based on Myla Goldberg's novel), might move and fascinate high-schoolers who appreciate quiet dramas and spiritual themes. It is not appropriate for younger teens because it contains a very explicit (clothed) marital sex scene for a PG-13. A central theme deals with mental illness and loss. One scene shows a child in a trance that looks like a seizure. The movie contains occasional profanity and smoking.

Richard Gere (rather miscast, but fine) plays the kind but controlling patriarch, a professor of religious studies and Jewish mysticism. His preteen daughter (Flora Cross) reveals her genius by winning spelling bees with mysterious ease. He lavishes attention on her, teaching her kabbalistic word and letter games in the hope she may prove to be the mystic he never was.

Meanwhile, his teenage son (Max Minghella) feels neglected, his wife (Juliette Binoche) grows sad and distracted, and the little girl feels she must heal them all. At times ''Bee Season'' obscures rather than reveals its meaning, yet that reticence is also part of its charm.

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