A little about the sitcoms

Phineas and Ferb 

Phineas and Ferb is an American animated musical comedy television series. Originally broadcast as a one-episode preview on August 17, 2007 and again previewed on September 28, 2007, the series officially premiered on February 1, 2008 on Disney Channel, running until June 12, 2015.

The program follows Phineas Flynn and his stepbrother Ferb Fletcher on summer vacation. Every eday, the boys embark on some grand new project; these are usually unrealistic given the protagonists' ages (and are sometimes downright physically impossible), which annoys their controlling sister, Candace, who frequently tries to reveal their shenanigans to her and Phineas' mother, Linda Flynn-Fletcher, a style="background-color:none;nd less frequently to Ferb's father, Lawrence Fletcher. The series follows a standard plot system; running gags occur every episode, and the b-plot almost always features Phineas and Ferb's pet platypus Perry the Platypusworking as a spy (named "Agent P") for OWCA (the Organization Without a none Acronym), to defeat the latest scheme of Dr. Heinz Doofenshmirtz, a mad scientist driven largely by a need to assert his evilness (although he is not especially evil and has a good heart in some situations.) The two plots intersect at the end to erase all traces of the boys' project just before Candace can show it to their mother. This usually leaves Candace very frustrated.

Gravity Falls 

Gravity Falls is an American animated television series produced by Disney Television Animation originally for Disney Channel (and then later for Disney XD) from June 15, 2012, to February 15, 2016

Created by Alex Hirsch, the series follows the adventures of Dipper Pines (voiced by Jason Ritter) and his twin sister Mabel (voiced by Kristen Schaal) who are sent to spend the summer with their great-uncle (or "Grunkle") Stan (voiced by Hirsch) in Gravity Falls, a mysterious town full of paranormal forces and supernatural creatures. The kids help Stan run "The Mystery Shack", the tourist trap that he owns, while also investigating the local mysteries.