Sydney says to CIA Agent Michael Vaughn, "The L.A Kings are in town next week." She also says that they are playing the New York Islanders, and she suggests that they go. This episode was aired January 20th 2002; the Kings actually played the Islanders one night before this episode aired.
Will Tippin's sister, seen briefly in the pilot episode and several other episodes, is played by Jennifer Garner's stand-in, Nancy Wetzel.
Jennifer Garner's opening narration which was used throughout Season 1 was literally phoned in. She was working on location and had to read it down the phoneline to J.J. Abrams who was recording it on the other end.
SPOILER: Five different actresses have played Laura Bristow/Irina Derevko. Arabella Holzbog played Laura Bristow in a picture Sydney kept. Kate Anthony was the voice of Irina Derevko in the video clip shown in episode 1.19, "Snowman". Natasha Pavlovich is the woman we actually see as Irina Derevko in that video clip. April Webster played Irina when she walks up to Sydney at the end of episode 1.21, "Almost Thirty Years". Finally, Lena Olin played Irina Derevko for the second season and beyond. Additionally, in Season 4, episode 18, Sydney Bristow (Garner) briefly portrays her mother (Laura Bristow) so they can learn information from her father.
Sidney's CIA code name is Mountaineer. This is an inside joke, as Jennifer Garner is from West Virginia. West Virginia University is known as the Mountaineers.
In the first season, Sydney's SD-6 codename was "Bluebird", her CIA codename was "Freelancer". In the second and third season at the CIA, she was known as "Mountaineer".
While working at APO, the agents have these following code names: - Sydney: Phoenix - Vaughn: Shotgun - Dixon: Outrigger - Marshall: Merlin - Nadia: Evergreen - Jack: Raptor - Rachel: Oracle - Thomas: Sidewinder
According to the audio commentaries on the Season 1 DVDs, when Sydney is called to meet with the CIA, it is Series Creator J.J. Abrams' voice on the phone that says, "Joey's Pizza?"
Series creator J.J. Abrams wrote and performed the music for the opening sequence.
The pilot episode features multiple references to the film Lola rennt (1998) (aka Run Lola Run).
The two-part episode, "The Box" where rogue agents take over SD-6, has a plot similar to Die Hard. The van that the rogue agents pull up in has the name McTiernan written on the side. John McTiernan was the director of Die Hard.
The two children who say, "Bad robot!" in the Bad Robot logo are the children of series creator-executive producer J.J. Abrams.
During the opening credits, the Rambaldi symbol is flashed over the "Alias" logo for exactly one frame. During at least the first season, this happens while Victor Garber's name is on screen. Also, the images moving behind the logo are home movies of creator J.J. Abrams' children during a 4th of July celebration.
In Joke: In the pilot episode, when Sydney is caught sneaking around at the party, she lies to the guard, by saying that she will get in trouble with her boss "Ron", if he finds out she'd been drinking. Her boss at SD-6, Arvin Sloane, is played by Ron Rifkin.
SD in SD-6 stands for Section Disparue - the section that has "disappeared".
Vaughn's dog is named Donovan.
The number 47 is used repeatedly throughout the series. Examples: Marshall expresses a desire to improve a camera design so that it has 47 exposures; the key code Will needs to get into a computer room in order to retrieve data on SD-6 is 4747; the crate at the Vatican which contains the painting with Rambaldi's cipher-key has a 5-digit catalog number ending in 47; page 47 is always significant in a Rambaldi manuscript; and of course, there are 47 parts to Rambaldi's magnum opus. In episodes of season 3, Sydney tries to retrieve memories of when she is abducted, as she is dreaming... Masked men take her in to a room with the number 47 largely printed on its doors. And also in the dream she sees fireworks when she looks through the window as a reference to 4th of July (4/7). Interestingly, the Star Trek TV shows also feature the number 47 many times (it's usually seen in their monitors). Also server 47 is the number of the server that Sydney needed to get information from to take down sd-6.
In-joke: After Will and intern Jenny become lovers in an early episode, Francie chides him for dating a cheerleader. He replies that she isn't a cheerleader ... anymore. Sarah Shahi who plays Jenny was, in fact, a popular Dallas Cowboys cheerleader until not long before the series began.
Many outdoor locations - both domestic and international - are actually buildings on the Walt Disney Studios lot in Burbank, California (where all interior scenes are shot).
Greg Grunberg's character is named Eric Weiss. Erich Weiss is the birth name of Harry Houdini. Will Tippin even mentions this fact when he and Weiss meet in the second season's finale.
During the second season, ABC developed an online videogame, "Alias Underground", which featured the voices of several actors from the series.
Creator J.J. Abrams says the idea for the show came from a half-joking story plot for his series Felicity. Abrams considered an episode where Felicity spends her summer as a government agent, then returns to school the next fall like nothing ever happened.
Although it was never mentioned in the show, Merrin Dungey has said that Francie's restaurant was called "Deep Inside."
For her birthday, star Jennifer Garner was given a pink bicycle by series creator J.J. Abrams. Being the first one on set, she would often greet the production crew by ringing the bells on the bike's handlebars.
The character 'Jack Bristow' was ranked #29 in TV Guide's list of the "50 Greatest TV Dads of All Time" (20 June 2004 issue).
Originally David Anders' character, Sark, was only supposed to be in a few episodes.