Look Tard is similar to Nang Tard because of the slavery theme and then the slave gains its freedom at the end of the drama.

Chaat Payak is similar to Look Tard because of the main male lead slaevery theme.
The slave male lead gains his freedom after slavery abolition in Thailand under RAMA V and is in love and marry the rich female lead.

Ubathteehet is similar to Kluen Cheewit because of the plot.
1) The male lead is from a modest family and earn his life from a honorable job
2) The female lead is a rich woman who seems to be extravagant and unreasonable
3) A car accident happens and the female lead killed the male lead girlfriend
4) The male lead takes revenge on the female lead by raping her

Bad Romeo is similar to Winter Sonata because both are melodramas which start when the ML and the FL were young adults and fall in love then a tragedy set them apart for 7 or 10 years.
Then when the female lead sees the ML years after with a new identity and happens to work for him, she cannot ignore him and forget the past even if the ML pretends not to know her at all. Therefore a new story starts between them and the love flame is up again...

Poisonous Passion is similar to Sai See Plerng because of the vengeful charming main actress theme, who tries to seduce several men at the same time.

Nam Sor Sai is similar to Plerng Boon because of the love triangle theme between the husband, the main loyal wife and the lover woman.

Mia Luang is similar to Plerng Boon because of love triangle them between the husband, the main loyal wife and the lover woman.

Ruk Lork Lork Yah Bork Krai is similar to Ruk Nid Nid Kid Tow Rai because of the fake boyfriend/girldfriend them to avoid the main actor/actress to be forced to marriage by their parents. Both are comedies.

Fai Tang See is similar to Prik Kee Noo Kub Moo Ham because Mew is the main actress who plays a young lady living abroad and meets a "poor" young man and will become her boyfriend.

Bad Romeo is similar to Game Rai Game Rak as the drama is set in to separate steps :
-the past when both main actors were young adults, had a romance and got married
-the trouble event that separate "Romeo from Juliette" (the main actress family put a plan to create a misunderstanding event that causes the separation)
-the main leads are meeting one another again a couple of years later ( in Game Rai Game Ruk, Saichon becomes Charles and in Bad Romeo, Kla becomes Karls)
-the main actors upgraded his social status and try to revenge on the main actress whom he thinks has betrayed/sent his to death intentionnaly and forgot him

Aya Ruk is similar to Nang Tard because the story is around a noble having several wifes : the first one is loyal, the second/third is bad and the third one is a slave who was sold to the first wife and whom the main actor falls in love with and nominates her as his latest wife.
1) Same misunderstanding from the main actor who thought the slave's brother was her lover so he beated her very badly as a punishment and set her to be slave again.
2) Same story when the first wife and the slave became pregnant at the same time and the first wife's baby died at the birth so she took the slave's baby as her child.
3) The second wife is pregnant from a lover and died at the end of the drama.
4) The misunderstanding is solved at the end of the drama and the slave came back to be the noble's wife.

Nang Tard is similar to Chaat Payak because both lakorns deal with slavery them. (young woman reduced to slavery VS miliaty's wife and child reduced to slavery under RAMA V period).