No, there will not be a season 3 of "Gravity Falls." The show, created by Alex Hirsch, concluded after its second season, which aired from 2012 to 2016. The series wrapped up its storyline with a special one-hour finale titled "Weirdmageddon 3: Take Back The Falls." Although fans have expressed a desire for more content, Hirsch has stated that the story was intentionally designed to have a definitive ending. However, there are comics and other related media for fans to enjoy.

"Gravity Falls" is an animated series that includes subtle LGBTQ representation. One notable character is the character of Pacifica Northwest, who is seen as a potential LGBTQ ally through her friendships and interactions. Additionally, the show's creator, Alex Hirsch, has expressed support for LGBTQ themes and inclusivity. While the series does not overtly center on LGBTQ storylines, it has been appreciated by many fans for its diverse representation and themes of acceptance.

"Gravity Falls" was created by Alex Hirsch and concluded after two seasons, with its final episode airing in 2016. The show was not so much canceled as it was intentionally wrapped up by Hirsch, who wanted to tell a complete story without dragging it out. He aimed to maintain the quality and integrity of the narrative, ensuring that all plot lines were resolved. Hirsch has expressed that he preferred to end the series on a high note rather than risk diminishing its appeal through extended seasons.

"Gravity Falls" is generally considered a suitable show for kids, particularly those aged 8 and up. It features adventure, mystery, and humor, while also incorporating themes of friendship and family. The show has some mild suspense and occasional spooky elements, but it balances these with light-hearted moments, making it entertaining without being overly frightening. Parents may want to watch a few episodes first to gauge if it aligns with their values and their child's sensitivity to certain themes. Overall, it’s well-regarded for its clever writing and positive messages.