1. When Kaley Cuoco-Sweeting couldn't handle all the puppies.
2. When Will Ferrell channeled Beyoncé.
3. When Adele lost in "Box of Lies."
4. When Jason Segel tried to sneak in some words.
5. When Margot Robbie totally killed it in Flip Cup.
6. When Kevin Spacey was trapped in a phone booth.
7. When #WhyDidISayThat was all of us.
8. When Ellen DeGeneres was amazing in her Lip Sync Battle.
9. When Anna Kendrick beat Jimmy in Egg Russian Roulette.
10. When Pitbull was absolutely not smarter than a 5th grader.
11. When Jamie Foxx was the master of impressions.
12. When Aziz Ansari got real about guys and their texting.
13. When Selena Gomez couldn't stop laughing.
14. When Chris Hemsworth got all wet.
15. When Amy Poehler was completely honest.
16. When Lena Dunham danced up on Jimmy.
17. When Ricky Gervais made the funniest faces.
18. When Jimmy and Justin brought back History of Rap.
19. When Amy Schumer got emotional.
20. When Channing Tatum participated in Kid Theater.
21. And, of course, when Jimmy totally blew it with Nicole Kidman.
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