Oolkatal or Ulkadal (transl. Bay) is a 1979 Malayalam-language musical-romantic drama film directed by K. G. George and starring Venu Nagavally and Sobha. The film, considered to be the first campus film in Malayalam, was adapted from the novel of the same name by George Onakkoor.^[1] It was shot mainly from Mar Ivanios College, Trivandrum.

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The film's protagonist is Rahulan who loves three different women in different stages of his life. After his childhood love Thulasi commits suicide, Rahulan falls in love with his friend's sister Reena. She hails from an orthodox Christian family and Rahulan never has the courage to approach her father for a marriage proposal. After completing college, Rahulan gets a teacher job. He eventually falls in love with Meera, a rich student of his. Meera's family fixes her marriage with Rahulan. One night, Reena visits Rahulan in his house and at the same time Meera and her father also come and is shocked to see another woman with Rahulan. In the climax, Rahulan accepts Reena into his life. On the parallel, another romance story is also told, between Davis (Rahulan's friend and Reena's brother), and a nun.

The music was composed by M. B. Sreenivasan with lyrics by O. N. V. Kurup.^[2]