Andrea is my fan-made character in my Mysteries Of Gravity Falls Series.
In Returns and Arrivals (Her Debut to my series),She met Mabel and Jackson and they became friends.
In the Season 1 Finale Traveler and the Secret that takes place after Returns and Arrivals she meets Dipper and falls in live with him.In the end of the episode,they start going out
Breaking up with Dipper
Well it wasn't til' Season 3 Episode 3 The Invasion of the Body-Snatchers that Andrea broke up with him.She tells him she's sick of getting in danger of The Summerween Trickster,Gideon,etc.
Season 1:Returns and Arrivals Traveler and the Secret
Season 2:Revenge of the Fight Fighters Scared Straight Secret of the Shack
Season 3:Searching for The Power <-----(Only in a text message) The Invasion of the Body-Snatchers
Season Specials:Season 2:Gravity Falls:Saving Christmas Season 3:Total Mayhem