Grey's AnatomyVia ABCVia Twitter
The first episode of Grey's aired in March 2005. Twitter was founded a year later in March 2006.
SupernaturalVia The CWYouTube
YouTube was founded in February 2005, and the first episode of Supernatural aired in September 2005.
American Horror StoryVia FXVia Instagram
Instagram was founded in October 2010 and AHS began one year later in October 2011.
RiverdaleVia The CWmusical.lyVia musical.ly
The app was founded in 2014, but Riverdale didn't start until 2017.
Pretty Little LiarsVia FreeformTinderVia Tinder
Pretty Little Liars!
PLL premiered in 2010, but Tinder wasn't founded until 2012.
Brooklyn Nine-NineVia FoxVineVia Vine
Vine was founded in 2012, while B99 didn't premiere until 2013.
Game of ThronesVia HBOSnapchatVia Snap, Inc.
Game of Thrones!
GoT premiered in April 2011 and Snapchat was created in September 2011.
The Big Bang TheoryVia CBSVia Facebook
Facebook was founded in 2004. The Big Bang Theory didn't air until 2007.