It's like one extended anti-comedy sketch made up of equally uneven bits of non-humor.
—Bill Gibron filmcritic.com
...feels genuinely dangerous and transgressive: it makes a virtue of going way too far because other comedies don't go far enough.
—Nathan Rabin Onion AV Club
In every swelling musical cue, Billion Dollar Movie displays open contempt for friendship, family, love, sex, heroism, and everything lofty and beautiful that multiplex movies have reduced to cant.
—Nick Pinkerton Village Voice
In the race to achieve unadulterated fourth-wall breakage, Tim and Eric's Billion Dollar Movie is the new pack leader.
—Nick Schager Slant Magazine
Audiences attuned to Tim & Eric's weird wavelength will find plenty of guffaws in the first half, but a plot this thin can't sustain comedy based on discomfort; the film is so much of a good thing one starts to wonder if the thing is good in the first place.
—John DeFore Hollywood Reporter
...a disposable trifle of fleeting rewards that - like many a feature built around a "Saturday Night Live" sketch - shows its seams after three minutes.
—Andy Webster New York Times
Cult comedy team Tim Heidecker and Eric Wareheim take the mechanics of the Funny or Die website and stretch it past the breaking point with their movie.
—Glenn Whipp Los Angeles Times
...recycles characters and plotlines from their show, along with badly made commercials and faux PSAs about inane subjects, a gambit that dates back to such comedy compilations as "Kentucky Fried Movie" or even "Laugh-In."
—John Anderson Variety
[I did not] find even one moment of Tim and Eric's Billion Dollar Movie to be slightly funny...
—Roger Ebert Chicago Sun-Times
Tim & Eric seem driven by a hatred of the audience and a wish to punish the same. Every episode of every sitcom I've ever seen is funnier than this movie, and I used to watch "Just Shoot Me."
—Kyle Smith New York Post