Audience-Alienating Premise: Critics who complain about the dolls, books, and movies often bring this up after their first complaint. "I just don't get it. How could a doll line aimed at eight-to-twelve-year-old girls, just when they're being pressured to give up dolls and grow up faster, setting out to teach them about the Civil War or the Great Depression, and sitting at a high price point... be popular?"
Awesome Art: The Historical Characters' book illustrations (from when they had illustrations) are not only very pretty to look at, but they reflect the time period and setting. For example, the family portraits in Molly's books are in black and white. The portraits in Kirsten's series are the only ones to have full-body images of the families, and have full background images as well.
Awesome Music: The accompanying background music for the defunct online game "Kirsten's Winter Stars" was absolutely gorgeous.
The soundtrack to Felicity's movie has some lovely fiddle and whistle tunes as well.
Base Breaker: Characters that people are sharply divided on vary, but two of the biggest are Molly (some fans find her a realistic view of a child during World War II while others see her as too much of an Attention Whore, bratty and self-centered, and a weak example of home life) and Samantha (some consider her a brave, strong girl who was a child's first foray into social concerns and feminist history while others consider her a spoiled rich girl who receives much more attention than other characters in the line).
Modern dolls—both the LE Girls of the Year and the modern Truly Me line with unnamed characters—can be hit and miss. Some people feel that they expand the line and allow different perspectives and character creation, while others consider any and all modern lines to be "detracting" from the original message of history launched by Pleasant Rowland.
Most people either hate Logan Everett for introducing a male character into a line aimed at girls and taking focus, not to mention using a face mould that was only intended for Kaya rather than a generic mould, or adore him for a sign of American Girl branching out past the all-girl ensembles and targeting other audiences. There are few in-betweens.
Other known Base Breakers: Pleasant Company items vs. Mattel's (to the point PC items are often called "Pre-Mattel"); The BeForever relaunch, which some collectors find a a unnecessary change in character designs and book changes while others feel that the relaunch gave new breath into the line and refocused the line on the age-range of eight-to-twelve year old girls as the primary audience; any character from a later time period than the 1940s, particularly among people who actually lived through their decade (some feel like they're being called old by their childhood being marketed as historical, while others find Maryellen, Melody, and Julie nostalgic and note that even the modern line was initially marketed saying that all time was history, including the present).
Crack Is Cheaper: Look outside the fandom (or even inside it, though fans will praise the quality and significance for what you pay) and you'll find that this is the number one complaint leveraged against the franchise.
Ensemble Darkhorse: Lindsey was sold until the end of 2002. She had terrible sales when available, yet ironically she's one of the most sought-out dolls by collectors nowadays.
Even Better Sequel: Samantha: An American Girl Holiday was, by all accounts, thoroughly good. But its successor, Felicity: An American Girl Adventure, well surpassed it in quality thanks to a universally talented cast, with the Oscar-winning Marcia Gay Harden (Mrs. Merriman) and a young Shailene Woodley (Felicity herself) in particular standing out for their luminous performances.
"Princess Samantha" for Samantha (and the scaled-up "Pretty Princess 'Mantha", usually by detractors of her popularity).
"Valerie the Inept" for author Valerie Tripp by fans of the authors who preferred to tackle more serious issues or whom they perceive as producing better-quality books.
Kanoonie, Kanorbles, Canasta, Kangaroo... for Kanani. Some people, especially those old enough to know better, seem to have no idea how to spell her name, so the fanbase ran with it as a joke.
Harsher in Hindsight: The Kit Kittredge film coincided with the late 2000s recession, and during filming, one of the cast members told producer Elaine Goldsmith-Thomas that her friend also lost their home in a similar foreclosure.
One of the illustrations for Happy Birthday, Addy! features a wooden ice cream maker/mixer labeled "Ice King".
Chris O'Donnell was considered to play the role of Jack in Titanic (1997). He did play as Jack, but there was no Rose — just a car dealership, a housewife and an aspiring reporter of a daughter.
In "A Light in the Cellar, A Molly Mystery", Jill claims that soybean casserole is "unfit for human consumption". Flash forward to present day where soybeans are among the most genetically modified foods in existence and several health professionals discourage consuming them.
In Samantha: An American Girl Holiday, Aunt Cornelia gives Samantha a copy of The Wizard of Oz the first time they meet. A decade later, the same actress would appear on Once Upon a Time as...The Wicked Witch of the West.
An obscure commercial for a Philippine toothpaste brand had a Caucasian girl with strawberry blond hair in a high ponytail and half bangs wearing an old-fashioned outfit gleefully extol the joys of using said toothpaste with her family. Decades later and we end up with Maryellen Larkin, who bore something of a passing resemblance to the girl.
Les Yay: A lot of people see some or all of the Best Friends relationships as Romantic Two Girl Friendships or a precursor to more. Then there are the main characters with the My Journey girls... especially Samantha and Ruby, who in one story path switch clothes and in another sneak out to go swimming in their underwear.
Memetic Mutation: At least some of the characters from the series ended up in a number of Hitler Rants parodies on YouTube. Some of the characters who appeared in the parodies, namely Felicity and Kit, were depicted as way off-character, either ending up being a Screwy Squirrel in the vein of Fegelein, as in the case of Felicity, or ranting like a maniac like Kit and Samantha.
"Kirsten gets eaten by a bear!" (She doesn't, but she does encounter one in her summer book.)
Misaimed Fandom: American Girls Premiere, a computer game released in the late '90s that gave players the ability to write and perform plays about the various historical protagonists and their families and friends. It was supposed to be educational, but it was hard to take the game seriously between the creepy robot voices and the strange movements (characters could even float or walk through walls, and even normal gestures were always exaggerated). As a result, way more people used the game for parodies, Downfallspoofs and poop jokes than for its intended purpose, helped along by the game's almost total lack of a word blacklist.
LGR did a review on it, where he mentioned it was one of the most amusing dick joke simulators. The comments on the video mention all sorts of unusual productions people made, like people falling down the stairs, murder "mysteries", and swear words. You could also record your own dialogue with your voice... which resulted in all sorts of unusual screams.
Narm: Jiggy Nye beating Penny in the Felicity movie.
In the first Addy book, the slave driver makes her eat slugs off the tobacco plants.
In Samantha's movie, a boy working in a factory gets his finger caught in a machine.
The American Girl magazine runs a story contest every year. One year, the winning story was about someone who befriends a mysterious girl down by the lake. At the end, the mysterious girl turns out to be a malevolent ghost. The ghost drowns the main character, who then takes the ghost's place, waiting for the next victim to wander by.
One for doll owners: In some older dolls, the internal parts of one or both eyes may come unglued due to heat or liquid exposure, resulting in a rather scary-looking effect called silver eye. Thankfully, the Doll Hospital will fix it at no cost.
One True Threesome: Kit and her best friends, Ruthie and Stirling, are often read this way; the more liberal end of fandom has fanon establishing them as growing up to be a polyamorous triad.
The same liberal end of the fandom applies the same logic to the girl of the year Chrissa, and her two "girlfriends" Gwen and Sonali, making them a modern triad.
Periphery Demographic: American Girl actually has a lot of fans who are adult women, often doll collectors. They can often be the strictest fans, especially those young women who got into the dolls as kids and apply the Nostalgia Filter.
Porting Disaster: The Android port of WellieWishers: Garden Fun, was particularly egregious as it flat-out crashes on certain devices due to an error with the Unity engine powering it. And it got even worse when [x]cube Games released version 1.1, to which no device was able to run it for some reason. It didn't help that Garden Fun is an Allegedly Free Game requiring in-app purchases to unlock minigames and is nothing more than a social "clicker" game at its core, both of which have been controversial business models especially with games aimed at children.
Retroactive Recognition: The first two films introduced two young actresses who would go on to achieve, if not superstardom, then certainly a lot of success in their acting careers, nearly a decade before they became famous; Samantha Parkington was played by a nine-year-old AnnaSophia Robb, and Felicity Merriman was played by a fourteen-year-old Shailene Woodley.
The Scrappy: Kailey. The hate she gets is so bad that it spreads over to any character whose story has an environmentalist message, like Julie or Lanie.
Replacement Scrappy: Agnes and Agatha, who shifted Nellie to the side to be "safe" friends for Samantha who weren't walking metaphors for classism and the bad parts of the Edwardian era.
Occasionally, elements of the ships' opposing supporters sometimes bury their differences by proposing a triad of Felicity/Ben/Elizabeth.
They Changed It, Now It Sucks: Whoo boy. Mattel took over from Pleasant Company in 1998, and remodeled the dolls and outfits as well as retiring a lot of items. In some corners of fandom, anything made after 1998 is utter crap.
The revamp of the Historical Line with BeForever has led to this opinion in some places.
Even more so with the so-called "permapanties" i.e. permanently-stitched underwear, done by AG as a cost-cutting measure among other things. Needless to say, fans were livid over the change, occasionally comparing it to New Coke or Windows 8's start screen in terms of unnecessary change to a well-received product. Aftermarket doll accessory makers responded with conversion kits for worn out or permapantied dolls though.
And in the same vein as Coca-Cola and Microsoft, AG has since announced that they will discontinue the permapanties, mere months after it was first announced.
Unfortunate Implications: It's happened a few times, such as the famous incident where Marisol was criticized for moving out of the inner city because it was unsafe and therefore making her old neighbourhood (a real place) look bad. Newsmagazines in 2009 tried to play this up and create a controversy out of minor character Gwen, labelling her "the homeless doll", even though she gets a place to move into partway through the first book she's in, we don't even know she was homeless until The Reveal near the end of said book, and she's not even the main character (that'd be Chrissa).
The Woobie: Nellie O'Malley has a very poor home life compared with Samantha, who also happens to be an orphan.
Emily, especially in Molly's movie. Not only has she witnessed firsthand the terrible effects the war has done to her life in England (bombed out houses, taking refuge in the subway tunnels from the blitzkrieg, the death of her mother), she even has a nightmare about being attacked.
Kaya: the girl gets called "Magpie", she had to leave her sister and horse behind with their captors, she loses her mentor, and she often doubts if she's really a worthy person.