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Throughout most of Sony's new PlayStation 'Best of' commercial, viewers are treated to the upbeat sounds of a familiar song you might know from a popular movie.

While it doesn't get the same attention as many other aspects of filmmaking, bad sound mixing can sometimes ruin a movie, as these examples prove.

Sometimes, all it takes is the ill-considered demise of a single character to undermine an entire viewing experience. Here are some of the worst offenders.

A great TV show can still have a terrible ending -- sometimes, one bad enough to ruin the entire series

Think that can of Pepsi or new Toyota model seems weirdly out of place in a movie or TV show you're watching? You're right -- but you're stuck with it anyway.

Plenty of memorable TV shows have had to pull through some particularly bad acting. Here are great TV shows almost ruined by a single bad performance.

Some of our all-time favorite movies began with pretty bad or misguided scripts that fortunately got changed along the way.

Plenty of romantic comedies are terrible, yet still widely beloved by fans. We're taking a look at 10 actresses who are the queens of this niche subgenre.

These sequels were so bad, they almost completely destroyed a once-promising movie franchise.

There's a right and wrong way to handle CGI, and these movies missed the mark.

The test of a great movie is whether it can withstand that one less-than-memorable actor, and, somehow, these movies managed to do just that.

Unfortunately, good business doesn't necessarily make for good movies, and the strengths of one medium don't always carry over into another.

There are actors who have managed to deliver definitive performances of classic characters, even if the movies they're in don't exactly pass muster.

Although a little on-screen nudity is usually harmless, there are a few particularly egregious examples where it was included to the detriment of the film.

Not all of the most hyped shows ever made have turned out to be hits. These overhyped shows turned up DOA, squandering millions and winding up pretty terrible.

Quantum Leap was one of the best-loved sci-fi shows of its era, so we've gathered some of our favorite little known facts about this often dazzling series.

Extras are meant to lend movies a sense of reality but also to blend into the background. Sometimes, as in these examples, they ruin the scenes they're in.

Some of these movies were box office hits. Some went home with an armful of Oscars. But all of them feature dumb things that we just pretended didn't happen.

Even though these TV shows are all incredible, they all had to survive a truly terrible pilot.

The Great Dictator eventually became Charlie Chaplin's most commercially successful film, but it also derailed his acting career in America.

Special effects have always been used to make the impossible seem possible -- but it isn't always easy to do that on a television-sized budget.

As studios stretch franchises out for financial gain, there's usually a noticeable dip in quality. Let's look at film franchises that were ruined by greed.

We may be living in the golden age of television, but no show is perfect. Here are some TV episodes so disastrous they nearly ruined the whole series.

Even some of the most fan-favored movies in Hollywood history have been known to feature a cringeworthy line or two and here are some of the worst of the worst

Even the most iconic characters can't always hold up through an endless sequel stream, and these favorites definitely fell short in certain follow-up films

They say the third time's a charm, but that is not always the case with the fourth time when it comes to these failed Hollywood franchise follow-up films

An extra season may not be in the cards for the series, but for any fans wanting to return to or binge Caprica for the first time, here's where it's available.

We'll always want more of our favourite shows, but things are often best left as they are. These are some perfect TV endings that were ruined by their revivals.

From racist robot caricatures to the worst best friend ever, here's a look at some of the characters that have almost single-handedly ruined a movie.

When "Batman: The Animated Series" returns as an audio drama, it would be nice to learn about Jason Todd, hear commentary on recent social issues and more.