The studios save all the good films for the summer and fall, so we will be seeing some entertaining films being released in the next few months. Topping off the studio’s blockbuster films for summer is the new “Terminator Salvation,” starring handsome young Christian Bale ( formerly Batman in last year’s hit film with Heath Ledger). The new installment of the Terminator franchise, as started by Arnold Schwarzenegger, is directed by McG, with a script by John Brancato and Michael Ferris. The picture is set in post-apocalyptic 2018. Iconic John Connor is leading the human resistance against the Skynet and its invincible army of robotic Terminators. It has unstoppable action and apocalyptic explosions. Connor’s life is altered by the appearance of former prisoner Marcus Wright. Connor doesn’t know if Marcus is from the past or the future. They join forces and begin an odyssey to uncover the terrible secret behind Skynet’s operations. Starring with Bale are Sam Worthington, Anton Yelchin, Jane Alexander, Helena Bonham Carter and Bryce Dallas Howard. Warner Bros./Sony Pictures/Halcyon. “The Hangover” is a comedy from Todd Phillips, the director of “Old School.” The plot, by writers Jon Lucas and Scott Moore, is about a bachelor party gone wrong. Naturally, there are hilarious situations involving Doug (Bradley Cooper) and his three buddies (Ed Helms, Zach Galifiankis and Justin Bartha) when they take off for Las Vegas for a blow-out night. It’s two days before Doug’s wedding to Heather Graham. The boys wake up with splitting headaches and can’t remember a thing. A likely story. The groom has disappeared and the boys have to find Doug and get him back to Los Angeles in time for the wedding. They frantically retrace their steps and discover they are in more trouble than they thought. The film has turned into the summer’s biggest comedy hit. Co-starring Jeffrey Tambor. Warner Bros. Pictures /Legendary Pictures. “My Sister’s Keeper” is directed by Nick Cassevetes, son of the late director John Cassevetes and actress Gena Rowlands. The drama is based on the novel by Jodi Picoult, and the screenplay is written by Cassevetes and Jeremy Leven. Cameron Diaz stars as a mother with a young son and daughter with an idyllic life. She and her husband receive heartbreaking news that forces them to make an unorthodox choice to save their daughter’s life. The decision raises moral and ethical questions that challenge everybody’s perception of love. Starring with Diaz is Alec Baldwin, Jason Patric (“Geronimo”), Abigail Breslin, and Joan Cusack. New Line Cinema. “Harry Potter and The Half-Blood Prince” is finally being released. At first it was slated for December 2008, but the studio bumped it to July 17 this year for more computer-generated action. It should clean up as a huge summer blockbuster. The wildly popular series again stars Daniel Radcliffe, now a strapping young man; Rupert Grint, no longer a teen-ager, and Emma Watson, soon to be a voluptuous woman! The youngsters started out as little kids, but they have grown through the years and the story has been updated to accommodate the growth of the three stars. Returning are favorites Voldemort and Dumbledore. Stars making appearances are Maggie Smith, Alan Rickman, Julie Walters, Robbie Coltrane and Warwick Davis.