What was the first TV series with an inter-racial kiss?
An inter-racial kiss on TV took place in 1964 between the characters Dr Mahler (Joan Hooley) and Dr Farmer (John White) on ITV's Soap Emergency Ward 10. This was in Britain.
A mention should go to William Shatner and Nichelle Nichols of Star Trek fame who on November 22, 1968 had an inter-racial black and white kiss in the episode "Plato's Stepchildren".
It isn't technically "inter-racial" but Lucille Ball (white anglo) and Desi Arnaz (white hispanic) kissed repeatedly in "I love Lucy".
Billie Thomas, who played "Buckwheat" on "Our Gang" had already kissed white girls, and such movies had been played on television before any other examples took place.
Although the "Star Trek" (1966) edition "Plato's Stepchildren" is commonly held to have featured TV's first interracial kiss, that was only the case on US television. Episode 724 of E-W10 (Emergency Ward Ten), transmitted in July 1964, had featured such a scene when a long-burning romance blossomed between Louise Mahler (Joan Hooley) and Giles Farmer (John White)
Which TV series? There have been a lot of TV series worldwide with a lot of songs. You have to name the TV series first. TVs have been around since the 1950's. That's a lot of shows with a lot of songs. Maybe if you went to Google and looked up "Songs associated with TV series" you might have better success if you don't know the name of the TV series.