The King of Queens - Season 8 Episode 3 -

Doug tells Carrie that it is his tenth anniversary at IPS, but Carrie recalls that it should have been three months earlier. Concerned because of benefits, RSPs, etc. she threatens to call IPS to have the date corrected. Doug can only stop her by now owning up to why she is wrong about the date in question. The episode then flashes back to when Doug and Carrie were dating and Doug has to lie to Carrie about a job in order to further their relationship.