Most Forgettable TNG Episodes.Even the most die-hard TNG fan may have trouble remembering the storylines for all 178 episodes that span the seven season of the television show. A good, bad, or mediocre episode can still come as a complete surprise when one does a rewatch of the series. In this episode of Earl Grey, Daniel Proulx, Darren Moser, and Phillip Gilfus do a round-robin style listing of the episodes they can barely remember from The Next Generation. See if you remember these stories that faded into the recesses of our minds.