Improvisational theatre, often called improvisation or improv, is the form of theatre, often comedy, in which most or all of what is performed is unplanned or unscripted, created spontaneously by the performers. In its purest form, the dialogue, action, story, and characters are created collaboratively by the players as the improvisation unfolds in present time, without use of an already prepared, written script.

Elizabeth Stamatina "Tina" Fey is an American comedian, actress, writer, and producer. Fey was a cast member and head writer for the NBC sketch comedy series Saturday Night Live from 1997 to 2006. After her departure from SNL, she created the NBC sitcom 30 Rock and the Netflix sitcom Unbreakable Kimmy Schmidt (2015–2020), the former of which she also starred in. Fey is also known for her work in film, including Mean Girls (2004), Baby Mama (2008), Date Night (2010), Megamind (2010), Muppets Most Wanted (2014), Sisters (2015), Whiskey Tango Foxtrot (2016), Wine Country (2019), Soul (2020), A Haunting in Venice (2023), and Mean Girls (2024).