Season 1
Twin brother and sister Dipper and Mabel Pines are sent to spend the summer with their "Grunkle" Stan in the mysterious town of Gravity Falls, Oregon. Upon their arrival, they sense there is something strange about the town and together they begin to unlock its secrets.
Episodes
1 Tourist Trapped Jun 15, 2012 
2 The Legend of the Gobblewonker Jun 29, 2012 
3 Headhunters Jun 30, 2012 
4 The Hand That Rocks the Mabel Jul 6, 2012 
5 The Inconveniencing Jul 13, 2012 
6 Dipper vs. Manliness Jul 20, 2012 
7 Double Dipper Aug 10, 2012 
8 Irrational Treasure Aug 17, 2012 
9 The Time Traveler's Pig Aug 24, 2012 
10 Fight Fighters Sep 14, 2012 
11 Little Dipper Sep 28, 2012 
12 Summerween Oct 5, 2012 
13 Boss Mabel Feb 15, 2013 
14 Bottomless Pit! Mar 1, 2013 
15 The Deep End Mar 15, 2013 
16 Carpet Diem Apr 5, 2013 
17 Boyz Crazy Apr 19, 2013 
18 Land Before Swine Jun 28, 2013 
19 Dreamscaperers (1) Jul 12, 2013 
20 Gideon Rises (2) Aug 2, 2013