"Audition Day," the fourth episode of 30 Rock ’s fourth season (2009), centers on Liz and Pete's attempt to rig the TGS audition process while a bedbug-stricken Jack is treated as a social pariah. The episode received positive reviews for its "A-train" subplot and guest appearances, despite some critics noting a shift toward a more standard sitcom format. More details, including episode analysis, can be found in the review from Vulture .