Based on 167 reviewers , Year One scored less than 14.5 % .
Rotten Tomatoes summarized the consensus as : `` Year One is a poorly executed , slapdash comedy in which the talent both in front of and behind the camera never seem to be on the same page , '' reporting that 15 % of critics gave positive reviews based on 167 reviews with an average score of 3.9/10 .
Year One -LRB-film-RRB-