TheWrap has compiled a list of the 12 biggest and best viral videos from late-night TV in 2018. There were some superheroes, the best "Carpool Karaoke" segments of the year, plenty of Mean Tweets and enough Trump commentary to last us a lifetime. (Click the links in the captions to watch each video.)
"Musical Genre Challenge with Ariana Grande" Grande transforms Drake's "God's Plan" into an epic '90s diva hit.
Paul McCartney Carpool Karaoke James Corden drives around with his fellow countryman, who was in a band you may have heard of.
Also Read: Paul McCartney Makes James Corden Cry With ‘The Most Beautiful Story’ He’s ‘Ever Heard’ (Video)
"We Ask Kids How Trump is Doing" Jimmy Kimmel kicked off 2018 by asking children what they thought of Donald Trump's first year in office.
"Mean Tweets – Avengers Edition" Even Earth's Mightiest Heroes aren't immune to social media commentary.
Also Read: The Avengers Read Some Pretty Funny Mean Tweets About Themselves on ‘Kimmel’ (Video)
"Ariana Grande Carpool Karaoke" Grande's second appearance on this list, this time belting out a pretty good Celine Dion impression.
Also Read: Ariana Grande’s Celine Dion Impression Is on Point (Video)
"Trump vs. The World" John Oliver spent much of 2018 using Trump as a punching bag, this time teaming with several dinosaurs and the NYC Gay Men's Chorus to remind the world that our country is...complicated.
"Josh Brolin Reads Trump Tweets As Thanos" Thanos took time off his busy schedule of wiping out 50 percent of life to step into Trump's shoes.
Also Read: Josh Brolin Reads Donald Trump’s Tweets in Thanos’ Voice (Video)
"Kevin Hart Is Terrified of Robert Irwin's Animals" You try keeping it together in a room full of kingsnakes, a tarantula and a falcon.
"Mike Pence" Oliver found one thing he liked about the VP: His family's pet rabbit named Marlon Bundo.
Also Read: John Oliver Perfectly Trolls Mike Pence With Gay Marlon Bundo Children’s Book (Video)
"Trump's Weird Lie About Raking in Finland: A Closer Look" Seth Meyers takes a closer look at President Trump making up another weird thing about a foreign country.
"Deadpool Takes Over Stephen's Monologue" Stephen Colbert finds out that "Late Show" is actually part of the Marvel universe.
"Trump Holds Crazy Press Conference to Defend Brett Kavanaugh: A Closer Look" Another one of Meyers' "A Closer Look" segments this year focused on Trump's press conference where he defended his Supreme Court nominee, Brett Kavanaugh, from sexual assault allegations.
