Question: Which film was released first, Never a Dull Moment or National Treasure?

Context paragraphs:
Never a Dull Moment (1968 film): Never a Dull Moment is a 1968 American comedy crime film from Walt Disney Productions starring Dick Van Dyke and Edward G. Robinson and directed by Jerry Paris.  The script by AJ Carothers was based on a novel by John Godey.  The supporting cast features Dorothy Provine, Henry Silva, Slim Pickens and Jack Elam.

Never a Dull Moment (1950 film): Never a Dull Moment is a 1950 American comedy film from RKO, starring Irene Dunne and Fred MacMurray.  The film is based on the 1943 book "Who Could Ask For Anything More?"  by Kay Swift.  The filming took place between December 5, 1949, and February 1, 1950.

Never a Dull Moment (Rod Stewart album): Never a Dull Moment is the fourth solo album by rock musician Rod Stewart.  It was released in the summer of 1972; that year it became a UK number-one album (for two weeks) and reached number two on the US Album chart.  The track "You Wear It Well", co-written by Stewart and classical guitarist Martin Quittenton, was a smash hit (another UK No. 1; in US No. 13), as well as "Twisting the Night Away", a song originally recorded (and written) by Sam Cooke.

National Treasure (film): National Treasure is a 2004 American adventure heist film produced and released by Walt Disney Pictures.  It was written by Jim Kouf and the Wibberleys, produced by Jerry Bruckheimer and directed by Jon Turteltaub.  It is the first film in the "National Treasure" franchise and stars Nicolas Cage, Harvey Keitel, Jon Voight, Diane Kruger, Sean Bean, Justin Bartha and Christopher Plummer.

The Sorcerer's Apprentice (2010 film): The Sorcerer's Apprentice is a 2010 American fantasy film produced by Jerry Bruckheimer, directed by Jon Turteltaub, and released by Walt Disney Pictures, the team behind the "National Treasure" franchise.  The film stars Nicolas Cage, Jay Baruchel, Alfred Molina, Teresa Palmer, Monica Bellucci.

Never a Dull Moment (EP): Never a Dull Moment is the collaborative EP by rapper Willie the Kid and producer Lee Bannon.  It was released on July 27, 2010 through Apphiliates Music Group and Embassy Entertainment.

National Treasure: Book of Secrets: National Treasure: Book of Secrets (released on home video as National Treasure 2: Book of Secrets) is a 2007 mystery adventure film directed by Jon Turteltaub and produced by Jerry Bruckheimer.  It is a sequel to the 2004 film "National Treasure" and is the second part of the "National Treasure" franchise.  The film stars Nicolas Cage, Diane Kruger, Justin Bartha, Jon Voight, Harvey Keitel, Ed Harris, Bruce Greenwood, and Helen Mirren.

Portraits (Bury Tomorrow album): Portraits Is the debut studio album from British metalcore band Bury Tomorrow.  The album was released first in the United Kingdom on Basick Records on 12 October 2009.  Adam Jackson has stated it was named Portraits for two reasons: "Firstly, the title track is based on the story of Dorian Gray by Oscar Wilde, a cautionary tale of the beauty and frailty of life.  Secondly, Portraits depicts a person or character frozen in time as they were at a given moment.  This is how we see this album – it's a reflection of our tastes, loves, hates, losses and gains.  It's a memory in musical form, the first glimpse of the picture that is Bury Tomorrow.”

Never a Dull Moment (Tommy Lee album): Never a Dull Moment is the first solo album by then former Mötley Crüe drummer Tommy Lee, released on May 21, 2002 by MCA.  Tommy Lee began writing music in September 2000, following Methods of Mayhem's stint on Ozzfest.  Lee described the process in a 2002 interview:

Treasure Hunters (TV series): Treasure Hunters is a reality television series on NBC (US) and Global Television (Canada) in which ten teams of three solve puzzles and complete challenges in hopes of solving the ultimate puzzle and winning the grand prize.  Teams travel across the United States and Europe in search of seven "artifacts" which when assembled will "lead to the key.  Find the key, and find the treasure."  The challenges and puzzles are spliced with American history, and the ultimate goal is to find a hidden treasure, leading the show to be compared on various occasions to the film National Treasure.  The value of the treasure in the series was revealed on the season finale to be $3,000,000.

Supporting paragraphs: Never a Dull Moment (1968 film) National Treasure (film)
Answer: Never a Dull Moment