There's entertainment, and then there's epic entertainment. What's the difference? Regular ole' television series, films and games give us, at best, a night's worth of amusement, heck maybe even a weekend. But the kind of series and franchises we're talking about here have provided decades worth of nerdy indulgence! Your kids' kids will be playing these games, watching these movies and television series for years to come. One could spend a lifetime devoted to devouring the hours upon hours of sci-fi action, fantasy adventure and the quirky other-worldly antics of the awesome series highlighted here. Lucky for you, we've distilled them down to a brief yet lively discourse coupled with high points you should seek out, low lights to avoid and the next big releases coming down the pipe. So clear your schedule, take the phone off the hook, warm up your consoles, flat screens and DVD players and prepare to immerse yourself in some of the greatest and longest running epics in entertainment history!