Silicon Valley, The Patent Troll

Richard struggles to embrace Pied Piper's new video-chat app and Erlich faces resistance from Big Head's dad.

Dinesh and Richard butt heads over PiperChat, Erlich's interest is piqued by Jian-Yang's new app and Gavin grows paranoid.

Richard works tirelessly on his next big idea, Monica sets a trap and Dinesh goes on a date while Big Head heads back to school.

Richard's new alliance worries Jared, Gilfoyle considers whether to put his pride aside and Erlich confronts Jian-Yang about his app.

Richard deals with an unexpected interloper, Dinesh searches for a way out and Monica considers her options.

Richard looks outside the tech bubble for support and Erlich searches for a new endeavour.

Richard takes on a patent troll, Gilfoyle battles a smart fridge while Jared embraces multiple identities and Erlich tries to hang with a new crowd.

Richard ponders a deal with the tech world's latest 'it' boy while Jack faces setbacks.

The Pied Piper guys try to pull off a stealth plan at Hooli-Con and Erlich takes a trip to get his mojo back.

Richard finds himself in a web of lies, Jared plans his exit while Jack bets big and Gavin plots a comeback.