Transcript for The Videos That Went Viral This Year
? ? So, what do these have in common, a ginger-head little boy, some tap-dancing priest and a hero cat? Well, some of the stars of the viral videos we couldn't stopwatching and posting and then reposting in 2014. "Good morning America's" Mike corral Strahan takes a look along with his special guest correspondent. What did you think about the ride? It was great, apparently you are spinning around and apparently every time you get dizzy. Reporter: It was just a day at the fair for 5-year-old Noah Ritter. I don't watch the news because I'm a kid. Until this impromptu news report on a local TV station went from wilkes-barre, Pennsylvania, to the world after it was posted on the internet. I have never been on live television before. Reporter: He's doing commercials. It wasn't long before Ellen made him a contributor on her talk show. From foxtown Pennsylvania, please welcome 5-year-old Noah Ritter. This is my first time on a talk show. Reporter: So who better to invite to our studio to comment on this year's viral video highlights? You like watching the videos? Apparently so. One, two, three, action! You ready to go! Yep, it's awesome. You sound like the guy from mortal kombat. I do. You're the king of the viral video. Reporter: You like the word apparently? We can't talk viral videos without talking dancing cats. Not just any cats, but these two bopping kittens with an uncanny sense of rhthym dancing to one of the most popular songs of 2014. ? Turn down the -- Turn down for what! Reporter: Does that even look real? Yes. Reporter: You notice how much they're on the beat? They got rhythm. You got rhythm, too. You gonna be big on the wedding circuit. So you wanna watch some more Reporter: Thousands watched as this toddler's trip to the store turned into a quest for a solemate and the cutest first kiss dad captured on tape. What's this little guy doing? See what makes this so funny and so viral. Okay. Picks the nose. Reporter: He's a lover, not a fighter. What's so funny? It's that he's kissing and punching a box! Reporter: Keep it rolling, people. ? Reporter: These fun-loving moms turned in their debut with parody of iggy azaleas's smash, "I'm so fancy" called "I'm so pregnant." ? I'm so pregnant ? for 6-year-old Noah, a little too much for his sweet young eyes. ? I'm so pregnant ? Reporter: Why didn't you like that? It's not appropriate for a 5-year-old child. Reporter: I think we should go to the next video. That's "Dirty dancing." With Patrick Swayze. I know. That's like my, that's like grandma's favorite movie? Reporter: This kid had some moves. Nobody is puttin' him in the corner, that's for sure. And if they do, he's dancin' his way out. Why do you like some of these videos? It's because they're funny. They are actually funny. Reporter: Especially when not just your roommate, but your two dogs and 13 million others catch you in the act. Action! My favorite viral video of the year, hands down, the hero cat. That cat coming out, rescuing that kid. A David takes on a goliath, it's just tremendously entertaining. Out of nowhere comes hero cat. He's not wearin' a cape, but if I close my eyes and try to remember, it seems like he's wearing a cape. We don't know if they're gonna care if we live or die. Hero cat cared. And that's impressive. For god's sake, you know, just move on. Let's move on, people! In 2014, there were a lot more viral videos that kind of made a difference because it's a real topic that people really need to talk about. Reporter: More than 7 million watched a loving parent's realization that their young transgendered daughter needed to become a little boy. I'm a transgendered kid. I am 6. I'm a cool kid. Reporter: This courageous young girl taught everyone not to be ashamed of our own personal struggles. If you would like to learn more about my hair condition trichotillomania. Then, you can click here. ? ? ? it's all about the Bess ? ? I'm all about that bass ? Reporter: This one went viral with a bullet to the top of the youtube charts. Us the duo preformed a medley of hits from 2014. ? Happy -- ? Do you like that one? That was cute. Reporter: And no collection of viral videos is complete without something for the sports fan in all of us. Oh, my goodness! Reporter: Look at this amazing catch by giant's wide receiver Odell Beckham. Go giants, baby! Reporter: You think you could do that? No, I can't do that. Reporter: Why, I think you could. Okay, come on. Let's keep it rolling people! Three, two, one, action! Reporter: 5-year-old J.P. Gibson was diagnosed with acute leukemia in 2012. That didn't stop him from stepping onto the court with the Utah jazz. To the rim JP Gibson! Reporter: Just like thunder from the Harlem globetrotters. He did that. That's amazing. Reporter: The super bowl and the olympics combined, it was the world cup that we couldn't get enough of and when Luis Suarez showed his hunger to win, it spread across the web like wild fire. Oh dear, dear -- not again. Looks like he's had a bite -- out of -- I know you can't use your hands. But, is there a mouth rule? Reporter: The ultimate trophy for views of a single viral video -- more than 116 million, goes to the mutant giant spider dog.
This transcript has been automatically generated and may not be 100% accurate.