All ten episodes from the fourth season of the HBO sitcom set in Silicon Valley. In this season, the guys of Pied Piper pour their energy into the success of their new video chat app PiperChat but are struggling to attract funding. However, their plans for the app are thrown into disarray when Richard (Thomas Middleditch) resigns from his position as CEO of the project, determined to put his algorithm to better use. He takes the Pied Piper brand with him, hoping to create a new decentralised Internet, while Dinesh (Kumail Nanjiani) is named as his replacement and tries to get PiperChat back on track but some worrying data surfaces about its growing number of users. The episodes are: 'Success Failure', 'Terms of Service', 'Intellectual Property', 'Teambuilding Exercise', 'The Blood Boy', 'Customer Service', 'The Patent Troll', 'The Keenan Vortex', 'Hooli-Con' and 'Server Error'.