Title: Diary of a Wimpy Kid (film series)
Content:  Diary of a Wimpy Kid is a series of family comedy films based on the book series of the same name by Jeff Kinney. The series currently consists of four theatrical films and an animated film.
Title: Diary of a Wimpy Kid
Content: Diary of a Wimpy Kid (April 1, 2007) ; Diary of a Wimpy Kid: Rodrick Rules (February 1, 2008) ; Diary of a Wimpy Kid: The Last Straw (January 13, 2009) ; Diary of a Wimpy Kid: Dog Days (October 12, 2009) ; Diary of a Wimpy Kid: The Ugly Truth (November 9, 2010) ; Diary of a Wimpy Kid: Cabin Fever (November 15, 2011) ; Diary of a Wimpy Kid: The Third Wheel (November 13, 2012) ; Diary of a Wimpy Kid: Hard Luck (November 5, 2013) ; Diary of a Wimpy Kid: The Long Haul (November 4, 2014) ; Diary of a Wimpy Kid: Old School (November 3, 2015) ; Diary of a Wimpy Kid: Double Down 
Title: Diary of a Wimpy Kid (book)
Content:  Diary of a Wimpy Kid is the first book in an ongoing franchise. A total of sixteen Wimpy Kid books have been released, the sequels to the first book are: Rodrick Rules (2008) which was listed on the New York Times Best Sellers list for 117 weeks, The Last Straw (2009) which was on the New York Times Best Sellers list for 65 weeks, peaking at number one, Dog Days (2009) which was ranked at number one on the New York Times Best Sellers List for all 25 weeks of inclusion, making it the #1 best selling book of 2009, The Ugly Truth (2010), Cabin Fever (2011), The Third Wheel (2012), Hard Luck (2013), The Long Haul (2014), Old School (2015), Double Down (2016), The Getaway (2017), The Meltdown, (2018) , Wrecking Ball (2019),, The Deep End (2020), and Big Shot (2021).
Title: Diary of a Wimpy Kid (2010 film)
Content:  Diary of a Wimpy Kid is a 2010 American comedy film directed by Thor Freudenthal and based on Jeff Kinney's 2007 book of the same name. The film stars Zachary Gordon and Robert Capron. Devon Bostick, Rachael Harris, Steve Zahn, and Chloë Grace Moretz also have prominent roles. It is the first installment in the Diary of a Wimpy Kid film series. The film was theatrically released on March 19, 2010, in the United States by 20th Century Fox. The film received mixed to positive reviews from critics, earned $75.7 million on a $15 million budget, and was followed by three sequels, Diary of a Wimpy Kid: Rodrick Rules (2011), Diary of a Wimpy Kid: Dog Days (2012), and Diary of a Wimpy Kid: The Long Haul (2017). It has also gained a cult following in recent years. It is the only live-action film in the series to be directed by Thor Freudenthal, before being replaced by David Bowers for the rest of the live-action installments.
Title: Diary of a Wimpy Kid
Content:  in April 2007 to immediate success. In April 2009, Time magazine named Kinney to the Time 100 most influential people. Sixteen books in the series have been released as of 2021; an activity book has also been released. A spin-off series, centering on the character Rowley Jefferson, has three installments as of 2021. The first, second, fourth and ninth installments have been adapted into films by 20th Century Fox; two books have been released chronicling the production of the films. Since the release of the online version in May 2004, most of the books have garnered positive reviews and commercial success. As of 2021, more than 250 million copies have been sold globally, making it the sixth best-selling book series of all time.
Title: Diary of a Wimpy Kid: The Long Haul (film)
Content:  Diary of a Wimpy Kid: The Long Haul is a 2017 American road comedy film written and directed by David Bowers and co-written by the books' author Jeff Kinney. It serves as a standalone sequel to 2012's Diary of a Wimpy Kid: Dog Days, the fourth installment in the Diary of a Wimpy Kid film series and the final live-action film in the franchise. It was based on the ninth book The Long Haul, with elements of seventh, eighth, and tenth books in the series. It is also the only live-action installment in the series not to feature the cast members from the first three films as they outgrew their 
Title: Diary of a Wimpy Kid (2010 film)
Content:  Three sequels were released in 2011, 2012 and 2017 respectively. Diary of a Wimpy Kid: Rodrick Rules was released on March 25, 2011. It was based on the second book in the series, Rodrick Rules. Zachary Gordon reprised his role in the film. Diary of a Wimpy Kid: Dog Days was released on August 3, 2012, and is based on The Last Straw and Dog Days, including scenes from both books. An animated short film, Diary of a Wimpy Kid: Class Clown, was released along with the DVD of Diary of a Wimpy Kid: Dog Days. A film based on The Long Haul was released in May 2017 featuring a new cast starring Jason Drucker, Alicia Silverstone, and Tom Everett Scott, but received generally negative reviews.
Title: Diary of a Wimpy Kid (2021 film)
Content:  Diary of a Wimpy Kid is a 2021 American computer-animated comedy film directed by Swinton Scott, from a script by Jeff Kinney and based on Kinney's 2007 book of the same name. Serving as a reboot and the fifth installment overall in the Diary of a Wimpy Kid film series, the film marks the first animated entry in the series. It features the voices of Brady Noon, Ethan William Childress, Chris Diamantopoulos, Erica Cerra, and Hunter Dillon. Diary of a Wimpy Kid is produced by Walt Disney Pictures alongside 20th Century Animation and with animation services done by Bardel Entertainment. It was released on Disney+ as a Disney+ original film on December 3, 2021 to mixed-to-positive reviews.
Title: Diary of a Wimpy Kid (film series)
Content:  still in development for their streaming service, Disney+. In December 2020, the project was confirmed to have been redeveloped as an animated film. On September 2, 2021, Disney officially confirmed that the new movie would be simply titled Diary of a Wimpy Kid, and would be released on December 3, 2021. The movie is a re-adaptation of the first book and the characters appear similar in design to their appearances in the book series. The first trailer was officially released in October 2021. Unlike the previous films, which were produced by 20th Century Fox, this film was produced by Walt Disney Pictures, although it was originally in production at 20th Century Animation.
Title: Diary of a Wimpy Kid (film series)
Content:  Featuring an entirely new cast, the plot follows Greg and his brother Rodrick unwillingly being taken on a family road trip to their great-grandmother's house for her 90th birthday. Greg sees this as an opportunity to meet his internet idol named Mac Digby, and get people to forget about him being dubbed as a meme known as "Diaper Hands". The film was panned by critics and audiences, with most of the criticism aimed at the casting change. Diary of a Wimpy Kid: The Long Haul was released on May 19, 2017.

Question: how many series of diary of a wimpy kid are there?
Answer: 12.