hysterical is the third album by clap your hands say yeah, released on september 12, 2011, in the uk, europe, japan, and australia and september 20 in the united states. the album is produced by john congleton and features cover art designed by maya pindyck. the band released "same mistake" and "maniac" as singles. both can be downloaded from their website. it was the last album to feature long-time backing vocalist robbie guertin.