1. First, the girl Mike dumps on her birthday in Friends also appears in How I Met Your Mother as Ted's girlfriend, who he repeatedly dumps on her birthday:

NBC / CBS
2. Also in How I Met Your Mother, Lily references the iconic Friends idea that Rachel and Ross are each other's lobsters:

NBC / CBS
3. In The Handmaid's Tale, June finds a Friends DVD box set and watches an episode while hiding:

Hulu / NBC
The episode June watches is "The One With Phoebe's Uterus," which proved to be the perfect episode to highlight the struggles of the women in Gilead.
4. In Brooklyn Nine-Nine, Jake tries to name the characters in Friends, but forgets Ross:

NBC
5. In Mr. Robot, Elliot hacks into the Wi-Fi of a Friends fan:

USA
6. In The Good Place, Michael makes a joke about Season 8 of Friends while he's upset:

NBC
7. Also in The Good Place, Michael pokes fun at the constant conversation surrounding Monica and Rachel's apartment:

NBC
8. In Lizzie McGuire, Gordo makes a Friends reference when talking on the phone with Lizzie and Miranda:

Disney Channel
9. In Parks and Recreation, Amy gets excited when she receives a poster of the Supreme Court justices sipping the Friends milkshakes:

NBC
10. In Skins UK, "you are my lobster" is written on the blackboard in a scene:

E4
11. In the episode of Cougar Town where Matthew Perry guest-stars, the opening title card features a nod to the Friends reunion between him and Courteney Cox:

TBS
12. In The Office, Michael tries to compare everyone at Dunder Mifflin to the cast of Friends:

NBC
13. In The Simpsons, when Homer's looking for a job, he thinks about working on Friends:

Fox
14. Also in The Simpsons, Bart and Lisa are also forced to watch a primetime sitcom that features a coffee shop like Central Perk:

Fox / NBC
15. In Mom, Christy says she's finally watching Friends — Anna Faris also guest-starred in Season 10 of Friends:

CBS
16. In Supernatural, Dean hits on a girl in a diner by using Joey's iconic phrase, "How you doin'?"

The CW
17. In Community, Abed tells Annie that he never thought they were real friends, like Chandler and Phoebe:

NBC
18. In The Flash, Cisco pokes fun at Caitlin and Ronnie's relationship by comparing them to Ross and Rachel:

The CW
19. Finally, there's an episode of 30 Rock entitled "The One With the Cast of 'Night Court'," which is a reference to all of the Friends episode titles. Jennifer Aniston also guest-starred in the episode:

NBC / IMDb