Observe and Report (2009)
Jody Hill has described his initial inspiration for Observe and Report as wanting to do a comedic version of Taxi Driver. There are numerous references throughout, like Ronnie having to restart his spoken manifesto in mid-sentence.
Seth Rogen tells Danny McBride to "look into your heart" as McBride points a gun at Rogen, the same line John Turturro says to Gabriel Byrne.
Charles works at Captain Orlander's, the restaurant that Fred Simmons likes in The Foot Fist Way
Mentioned during monologue
Mentioned By Ellen by a Film to be reviewed the next week
mentioned in dialogue
Mentioned by Jeff Ross.
"You wanna impress me? Rip off Seth Rogen's character from"
Footage shown when reviewed
Screenplay Cliche segment
Numerous references: Ray Liotta repeating many nuances, Ronnie ramming Patton Oswalt's head into an oven, Ronnie mimicking Joe Pesci's shooting style, Harrison beating Ronnie's head into the ground.
The letter from Mexico is a spoof of the letter in Shawshank.