Half-Life 2 Episodes

'Half-Life 2 Episodes' is a collective term used in media and fan circles to refer to Valve's current episodic series set in the Half-Life universe. So far, it refers to the games Half-Life 2: Episode One, Half-Life 2: Episode Two and Half-Life 2: Episode Three.

"Half-Life 3"

Due to comments made by Valve team members to the effect that the Episodes are the Third Half-Life game, people without basic comprehension skills occasionally refer to the Half-Life 2 Episodes as 'Half-Life 3'. A significant number of forum threads have been derailed by the subsequent discussion.