These "Shark Tank" pitches should have been left on dry land. Welcome to WatchMojo, and today we’re counting down the worst products, ideas, and presentations ever seen on “Shark Tank.”

The worst "Shark Tank" pitches can sleep with the fishes.

The worst "Shark Tank" pitches can sleep with the fishes.

What were they thinking with these worst Shark Tank pitches?

As Comic Book Guy would put it, these are the worst Simpsons episodes EVER. We’ll be looking at Simpsons episodes that earned ire from professional critics, the fanbase, and even the cast and crew. We’ll also be considering how detrimental they were to the overall reputation of the show. WatchMojo ranks worst Simpsons episodes EVER. Which Simpsons episode do you think is the worst? Let us know in the comments!

Can we please cut away from the worst "Family Guy" episodes? For this list, we’ll be looking at episodes of the long-running show that have fallen flat for their fans over the years.

Even the best, occasionally, make mistakes. Welcome to WatchMojo and today we’ll be counting down our picks for the Top 10 Worst Episodes On Otherwise Good/Popular Cartoons. For this list, we’re looking at the most puzzling, uncomfortable, or downright awful episodes of otherwise highly-rated series. Thankfully, these are exceptions rather than the norm. Just as a disclaimer, spoilers will be unavoidable for the respective episodes.

Even heroes have off days. Welcome to WatchMojo.com and today we’ll be counting down our picks for the Top 10 Worst Teen Titans GO! Episodes. For this list, we’re looking at “Teen Titans GO!’s” worst offenders, with a heavy focus on the story and humor. Please be advised that spoilers will be included for the included episode.

It might be one of the most successful cartoons in history, but it’s not without its missteps. Welcome to WatchMojo.com and today we're counting down our picks for the Top 10 Worst Family Guy Episodes. For this list, we’ll be looking at episodes from the animated sitcom that famously failed to generate laughs, connect with fans or impress critics.

Some nautical nonsenses are best left unwished. Welcome to WatchMojo.com, and today we’re counting down our picks for the Top 10 Worst SpongeBob SquarePants Episodes. For this list, we’ll be looking at some of the episodes that seem to prove that “SpongeBob”, despite being one of Nickelodeon’s most famous Nicktoons, has experienced a dip in quality, especially after the first movie. We’ll be basing our picks on a mix of whether they’ve been thought to suffer from lackluster story or humor, flanderized characters, and/or there are some underlying elements that are just unpleasant to look back at.

Top 10 Worst Episodes Of Great Anime

Prepare for a wild ride through the most cringe-worthy, hilarious, and downright bizarre product pitches in Shark Tank history! From implantable Bluetooth devices to squirrel-zapping bird feeders, these entrepreneurs prove that not every million-dollar idea is actually a good one.

Any aspiring entrepreneurs out there? Here are a few pointers on what not to do. Welcome to WatchMojo.com, and today we’re counting down our picks for the top 10worst “Shark Tank” pitches

They can't all be winners... For this list, we’ll be starting in 2000 and working our way to 2022, looking at the worst animated movie offerings from each year.

Honestly, a list of the worst things Eric Cartman has done could be a lot longer than 20 entries. For this list, we’ll be looking at the worst of the worst things Cartman has done to anyone and everyone around him in South Park. Since plot points will be discussed, a spoiler alert is in effect.