Hi :)

I'd like to rewatch and watch the old dramas that I might not have been interested in at the time or missed. So I'd like dramas before 2010 that are must watch dramas. Hope you guys can recommend some to me, thanks in advance :)

1Liter of Tears
Coffee Prince
My Girl (Korean & Japanese)
Smile You
Queen Seon Deok
Hanayori Dango
I'm Sorry, I Love You
My Name is Kim Sam Soon
Liar Game
Atashinchi no Danshi
Love Shuffle
Pride
Nodame Cantabile
Hana Kimi
Maou

There's so many good old drama..  But after listing I realised that I know nothing about your preference so rather than go on listing, you can look just look o n my list. ????
i second these that @darkangel662008 recommended
Coffee Prince
My Girl (Korean)
Smile You
Hanayori Dango
My Name is Kim Sam Soon
and
Nodame Cantabile

i loved all of those ♥

and maybe youd like these, but like @ darkangel662008  said their really are so many great older dramas its hard to list them all and it be nice to know yoru tastes... ill just list a couple more ive watched and loved that were what i think to be considered classics :)

Jewel in the Palace
Dong Yi
Sweet 18
Goong
Biscuit Teacher and Star Candy
The Vineyard Man
Creating Destiny
You're Beautiful
Corner with Love
Fated to Love You
Legend of the Condor Heroes
Return of the Condor Heroes
Long Vacation
Devil Beside You
Buzzer Beat
Delightful Girl, Choon Hyang

for more you can always check out my list if you like :)
This will be my recommendations of must see dramas, definitely all the versions of Hana yori dango are a must see!! I'll recommend to check them out first of all. That ones in bold letters are the ones I second from @ladymay and @darkangel662008

JDRAMA:

Hotaru no Hikari
Liar game
Nodame Cantabile
Buzzer Beat
Love Shuffle
The quiz show 2
Hana yori Dango
Maou
My girl
Rookies
Hanazakari no Kimitachi e
Proposal Daisakusen
Byakuyako
Kurosagi
Tatta Hitotsu no Koi
1 Litre of Tears
Pride
Suna no Utsuwa
Taiyou no Kisetsu
GTO


KDRAMA:


Secret Garden
Boys over flowers
Cain and Abel
Que Sera, Sera
Goong
Delightful Girl, Choon Hyang
Full House
I'm Sorry, I Love You


TWDRAMA:

Summer's desire
Fated to love you
It started with a kiss
Tokyo Juliet
MARS
Meteor Garden
Devil Beside You