Watch The Office Whistleblower Season 6 Finale Stream Online. its going to be the last episode of Michael and the gang at Scranton. its going to be a fiery hot episode in the Office Whistleblower Season 6 Finale as the press finds out that Sabre's printers catch on fire. Jo shows up to the office in hopes of finding out who the whistleblower is. Everyone suspects Andy, who adamantly denies he leaked the information. The Office Whistleblower Season 6 Episode 26 Finale broadcasts on Thursday, May 20, 2010 9:00 PM-9:30 PM EST on NBC. Watch The Office Whistleblower Season 6 Finale Stream Online.