1 of 88 Warner Bros. Television via friendstvshow.net Season 3, Episode 18 & 19 - The Magna Doodle message board makes its debut. Although hard to read, the first column is a grocery list featuring eggs and milk. The second says: "Joey call your dad".

2 of 88 Warner Bros. Television via friendstvshow.net Season 3, Episode 21 - A cartoon face, that kinda looks like Ross when you look closely...

3 of 88 warner Bros. Television via friendstvshow.net Season 4, Episode 2 - The message reads: "Thanks for all your stuff" - left by the robber who locked Joey in the TV cabinet and stole everything in the apartment!

4 of 88 Warner Bros. Television via friendstvshow.net Season 4, Episode 3 - A big ol' smiley face. Probably drawn by Joey after Rachel told him about the half-naked Chandler she found handcuffed to a filing cabinet at work. Or Chandler, because hey, he was getting laid for once.

5 of 88 Warner Bros. Television via friendstvshow.net Season 4, Episode 7 - Treager leaves a message which reads "Clean up the duck feathers in the hallway! Treager." Later on, it shows "I love you man!", maybe from Joey to Chandler, foreshadowing the test their friendship would endure in the next episode...

6 of 88 Warner Bros. Television via friendstvshow.net Season 4, Episode 8 - "I'm sorry, I'm sorry, I'm sorry..." - another desperate attempt by Chandler to make things up to Joey, after kissing his girlfriend Kathy.

7 of 88 Warner Bros. Television via friendstvshow.net Season 4, Episode 13 - "Have you seen our view?!" - an excitable message from Chandler or Joey as the boys settle into Monica and Rachel's much nicer apartment, after winning it in a bet.

8 of 88 Warner Bros. Television via friendstvshow.net Season 4, Episode 15 - The Magna Doodle reads "nice nails Chandler!" referring to the first scene of this episode when Chandler is getting a manicure done with Rachel.

9 of 88 Warner Bros. Television via friendstvshow.net Season 4, Episode 16 - Ross is interrupted writing: "Joey eats little v.", which chimes with Joey becoming a veggie for Phoebe's sake. Later it says: "Emily...Bon Voy see ya" as it was Emily's farewell party.

10 of 88 Warner Bros. Television via friendstvshow.net Season 4, Episode 17 - First it reads "Clean bathroom" (self explanatory) and later on, "Knock, knock who's there? PORN!" Of course, this references that time Joey and Chandler found a free porn channel on TV. Oh boys, in 2016, that's called the internet.

11 of 88 Warner Bros. Television via friendstvshow.net Season 4, Episode 18 - "No work" is written. The apartment is Chandler and Joey's at the time, so probably a phone message from Joey's agent :(

12 of 88 Warner Bros. Television via friendstvshow.net Season 4, Episode 19 - The sign says "What's up?! bro?". This could be Joey trying to bring Chandler round, as he's unhappy about betting the apartment against the girls one more time.

13 of 88 Warner Bros. Television via friendstvshow.net Season 4, Episode 20 - "Get out!" Having won their apartment back by kissing for one minute, the girls wasted no time booting out Joey and Chandler.

14 of 88 Warner Bros. Television via friendstvshow.net Season 4, Episode 22 - “Another one bites the dust” can just be made out during Ross' bachelor party. A reference to Ross leaving the single realm because he's marrying Emily.

15 of 88 Warner Bros. Television via friendstvshow.net Season 5, Episode 4 - "Evil Joe" is written on it with fire flames drawn underneath - a reference to his job at PBS, a company Phoebe hates because it reminds her of her mother's suicide. Also a reference to Phoebe's notion that no good deed is selfless.

16 of 88 Warner Bros. Television via friendstvshow.net Season 5, Episode 6 - "WHY" is written in big, bold letters, which could symbolise the gang's growing frustrations with Emily's demands on Ross.

17 of 88 Warner Bros. Television via friendstvshow.net Season 5, Episode 7 - "No girls allowed" is written, probably by Joey after building a fort with all the boxes after Ross moves in. Aww. Later on, there's a smiley face

18 of 88 Warner Bros. Television via friendstvshow.net Season 5, Episode 8 - This is The One With All The Thanksgiving Flashbacks. Number 327 can be seen inside a heart with wings and "bye" is written underneath. Thanksgiving takes place on the 327th day of the year.

19 of 88 Warner Bros. Television via friendstvshow.net Season 5, Episode 9 - Saturn and stars are drawn, which could signal Ross temporarily losing his mind, and living on another planet in The One With Ross' Sandwich (OK, we've got nothing. You got any better ideas?!)

20 of 88 Warner Bros. Television via friendstvshow.net Season 5, Episode 10 -"SHOT". Perhaps Ross had a particularly exciting game of foosball, keeping him busy during his 'sabbatical'

21 of 88 Warner Bros. Television via friendstvshow.net Season 5, Episode 11 - A coffee cup. Wonder what that could mean...

22 of 88 Warner Bros. Television via friendstvshow.net Season 5, Episode 12 - "Joey - call Kim". One of his many mysterious lady friends. Later on, it says: "Joey, Kim called again!". Naughty boy.

23 of 88 Warner Bros. Television via friendstvshow.net Season 5, Episode 14 - You can see two little people skiing and snowboarding. Rachel's 'shoop, shoop, shoop' episode was way back in Season 1, so maybe she's craving a ski holiday...

24 of 88 Warner Bros. Television via friendstvshow.net Season 5, Episode 15 - “C.B. + M.G. 4 EVER” is written inside a heart. The entire gang, including Ross, have just found out about Monica and Chandler being in love. N'awww.

25 of 88 Warner Bros. Television via friendstvshow.net Season 5, Episode 16 - "Joey your agent called" is written on it and later, a target is drawn.

26 of 88 Warner Bros. Television via friendstvshow.net Season 5, Episode 18 - "Joey, Carole wants you to call her!!" Crucially, not Ross' (lesbian) ex wife, but another mysterious lady lover no doubt.

27 of 88 Warner Bros. Television via friendstvshow.net Season 5, Episode 19 - New York City is drawn, the iconic city the sitcom was filmed in.

28 of 88 Warner Bros. Television via friendstvshow.net Season 5, Episode 20 - A blank face, presumably drawn by Ross having just survived a 'near death experience' in Phoebe's boyfriend's car.

29 of 88 Warner Bros. Television via friendstvshow.net Season 5, Episode 21 - The One With The Ball, where they throw it back and forth all day without catching it, has NOTHING to do with space. We think this is just a cute picture.

30 of 88 Warner Bros. Television via friendstvshow.net Season 6, Episode 3 - There's an island with palm trees on it, a shark in the water and a man sitting in a boat. Ross can't come to terms with his feelings for Rachel - could this be how he feels inside?

31 of 88 Warner Bros. Television via friendstvshow.net Season 6, Episode 4 - There are two fish. Nope, us either,

32 of 88 Warner Bros. Television via friendstvshow.net Season 6, Episode 6 - There's a mountain with a cactus growing out of it. These are definitely getting more abstract...

33 of 88 Warner Bros. Television via friendstvshow.net Season 6, Episode 7 - A truck, stuck on a hill with a person standing next to it. “Oops!” is written above. Seriously, which crew member took over the drawing at this point?!

34 of 88 Warner Bros. Television via friendstvshow.net Season 6, Episode 8 - A unicorn and love hearts. Phoebe may have had a hand in this.

35 of 88 Warner Bros. Television via friendstvshow.net Season 6, Episode 9 - An astronaut standing on the moon with a spaceship nearby, Earth is in the background. Ross, perhaps?

36 of 88 Warner Bros. Television via friendstvshow.net Season 6, Episode 10 - An arm with a Santa Claus puppet on his hand. It's Christmas time!

37 of 88 Warner Bros. Television via friendstvshow.net Season 6, Episode 11 - A scary dragon breathing fire - maybe a reference to horrible Janine, who Joey breaks up with because she's mean to Monica and doesn't value his friends.

38 of 88 Warner Bros. Television via friendstvshow.net Season 6, Episode 12 - A deer and a man. Your guess is as good as ours.

39 of 88 Warner Bros. Television via friendstvshow.net Season 6, Episode 18 - A flaming pyramid with wings (we have no idea).

40 of 88 Warner Bros. Television via friendstvshow.net Season 6, Episode 19 - Two snowboarders, or maybe skateboarders on a half-pipe. That abstract crew member's back at it...

41 of 88 Warner Bros. Television via friendstvshow.net Season 6, Episode 20 - A robot head, referencing Joey's part in sci fi show Mac and C.H.E.E.S.E. Later, Chandler writes to Joey: “Mac audition at 2:00 allergy actor attacked.” He later adds: “By dog, not flowers.”

42 of 88 Warner Bros. Television via friendstvshow.net Season 6, Episode 23 - “Rachel call D’ward St. George”. This is a reference to Edward St. George, a hair stylist who worked on the set of Friends at the time.

43 of 88 Warner Bros. Television via friendstvshow.net Season 6, Episode 24 - A racing car. Maybe Joey's reminiscing about his race car bed from Series 3...

44 of 88 Warner Bros. Television via friendstvshow.net Season 7, Episode 1 - A drawing of a little girl. Foreshadowing of little baby Emma..?

45 of 88 Warner Bros. Television via friendstvshow.net Season 7, Episode 2 - Two hands holding a heart, that's wearing a crown. This is an Irish symbol known as a Claddagh Ring, symbolising love, friendship and loyalty. AHHHHH.

46 of 88 Warner Bros. Television via friendstvshow.net Season 7, Episode 5 - A little surfer dude. Nowt special here.

47 of 88 Warner Bros. Television via friendstvshow.net Season 7, Episode 6 - A super awesome motorbike. More sketches by Chandler and joey, we presume.

48 of 88 Warner Bros. Television via friendstvshow.net Season 7, Episode 7 - A drawing of planet Earth. Just a doodle, we think.

49 of 88 Warner Bros. Television via friendstvshow.net Season 7, Episode 9 - A drawing of a dreidel. This is The One With All The Candy, set in the holiday season. Happy Channukah!

50 of 88 Warner Bros. Television via friendstvshow.net Season 7, Episode 11 - Police cars and a helicopter surrounding a house. Chandler and Rachel panicking they'd get found out for stealing all that cheesecake in this episode, we think,,,

51 of 88 Warner Bros. Television via friendstvshow.net Season 7, Episode 12 - A massive cup of coffee. No explanation needed.

52 of 88 Warner Bros. Television via friendstvshow.net Season 7, Episode 13 - “USDA PRIME” (meaning a high quality cut of steak) is written inside a shield. Beats us.

53 of 88 Warner Bros. Television via friendstvshow.net Season 7, Episode 14 - "Happy birthday RACH" because it was Rachel's 30th birthday, of course!

54 of 88 Warner Bros. Television via friendstvshow.net Season 7, Episode 15 - A magical wizard man. Maybe they took a phone call from Gandalf...

55 of 88 Warner Bros. Television via friendstvshow.net Season 7, Episode 16 - A man and his fun-loving dog on a see-saw. This is The One With The Truth About London, so pretty random!

56 of 88 Warner Bros. Television via friendstvshow.net Season 7, Episode 18 - A little fish. Cute.

57 of 88 Warner Bros. Television via friendstvshow.net Season 7, Episode 20 - A bicycle and a mountain.

58 of 88 Warner Bros. Television via friendstvshow.net Season 8, Episode 3 - King Kong making his way up a building.

59 of 88 Warner Bros. Television via friendstvshow.net Season 8, Episode 4 - A drawing of an adorable seal. Later on, it reads I <3 New York

60 of 88 Warner Bros. Television via friendstvshow.net Season 8, Episode 5 - There's a drawing of a slug sitting on a mushroom and a bunny sits underneath... a scene from Alice in Wonderland, perhaps?

61 of 88 Warner Bros. Television via friendstvshow.net Season 8, Episode 7 - Rockem Sockem Robots - a popular kids' game in the US at that time.

62 of 88 Warner Bros. Television via friendstvshow.net Season 8, Episode 8 - The US flag is on the moon. Released in November 2001, this could be a message of solidarity after the 9/11 attacks on New York City.

63 of 88 Warner Bros. Television via friendstvshow.net Season 8, Episode 9 - A drawing of a basketball with 'One New York'. Again, possible reference to the September 11th attacks.

64 of 88 Warner Bros. Television via friendstvshow.net Season 8, Episode 10 - It reads FDNY beside a drawing of the Statue of Liberty - most definitely a reference to the New York Fire Department, who worked tirelessly to keep the city safe during terrorist attacks at that time.

65 of 88 Warner Bros. Television via friendstvshow.net Season 8, Episode 11 - A hummingbird drinking honeysuckle from some flowers.

66 of 88 Warner Bros. Television via friendstvshow.net Season 8, Episode 12 - A smiling sun and moon design.

67 of 88 Warner Bros. Television via friendstvshow.net Season 8, Episode 13 - There's a drawing of a train. This is The One Where Chandler Takes A Bath - it should have been a boat!

68 of 88 Warner Bros. Television via friendstvshow.net Season 8, Episode 14 - A hockey goalie is drawn - maybe a reference to Monica's childhood nickname, 'Big Fat Goalie'.

69 of 88 Warner Bros. Television via friendstvshow.net Season 8, Episode 15 - Another drawing of a motorbike, this time with a man on it.

70 of 88 Warner Bros. Television via friendstvshow.net Season 8, Episode 16 - Another face. A bit like the robot but without antennae.

71 of 88 Warner Bros. Television via friendstvshow.net Season 9, Episode 3 - A shark - most likely in reference to the next episode, where Monica catches Chandler watching 'shark porn'.

72 of 88 Warner Bros. Television via friendstvshow.net Season 9, Episode 6 - A drawing of a yacht. Maybe Joey's thinking about the 'fun' he had on Rachel's dad's boat.

73 of 88 Warner Bros. Television via friendstvshow.net Season 9, Episode 14 - Three stacked ABC blocks - Monica and Chandler babysit Emma in this episode.

74 of 88 Warner Bros. Television via friendstvshow.net Season 9, Episode 16 - Either a cat or a dog with very pointy ears. A throwback to Mrs. Whiskerson?

75 of 88 Warner Bros. Television via friendstvshow.net Season 9, Episode 17 - A smiling tooth and "Dr. Banal 3:00" is written - someone's got the dentist!

76 of 88 Warner Bros. Television via friendstvshow.net Season 9, Episode 19 - There's a donkey pulling a cart and it looks as though he's having a little rest. Which is how we feel right now, writing the captions to these pictures.

77 of 88 Warner Bros. Television via friendstvshow.net Season 9, Episode 20 - Hello Kitty!

78 of 88 Warner Bros. Television via friendstvshow.net Season 9, Episode 21 - It reads “Happy Birthday Gizzy 5.1.91” - a crew member.

79 of 88 Warner Bros. Television via friendstvshow.net Season 10, Episode 1 - Theres a kangaroo with a baby in its pouch and "Joey" is written, with an arrow pointing towards the... well, Joey.

80 of 88 Warner Bros. Television via friendstvshow.net Season 10, Episode 3 - "Emma" with a drawing of a Teddy bear.

81 of 88 Warner Bros. Television via friendstvshow.net Season 10, Episode 4 - "1" is drawn on with the words "happy happy," as it's Emma's 1st birthday There's a lot of focus on Rachel and Emma's relationship in these episodes.

82 of 88 Warner Bros. Television via friendstvshow.net Season 10, Episode 7 - A massive snail and a tiny man. Perhaps indicative of how SLOW ROSS IS BEING IN GETTING HIS SHIT TOGETHER WITH RACHEL, THE LOVE OF HIS GODDAMN LIFE. Goddamn it.

83 of 88 Warner Bros. Television via friendstvshow.net Season 10, Episode 8 - Two dogs with "lil dog and Sara" written underneath - probably related to a crew member.

84 of 88 Warner Bros. Television via friendstvshow.net Season 10, Episode 9 - A car and something which isn't clear but looks like a duck with three heads. Joey having weird dreams about the chick and the duck, maybe...

85 of 88 Warner Bros. Television via friendstvshow.net Season 10, Episode 12 - A champagne bottle and two glasses. it's The One With Phoebe's Wedding, so everyone's celebrating!

86 of 88 Warner Bros. Television via friendstvshow.net Season 10, Episode 13 - There's a deep sea diver, looking like he's having some lovely banter with the sea creatures.

87 of 88 Warner Bros. Television via friendstvshow.net Season 10, Episode 15 - A banana? A peanut? A sausage? Something foody, holding an umbrella.