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This is our regular research in the field of cyclic O-C changes and thirdcomponents. In this article the results of four new stars investigation isdescribed. These stars are: BD And, SV Cam, V0836 Cyg and XZ CMi. All of themhave cyclic O-C curve with linear (BD And, SV Cam and XZ CMi) or parabolictrend (V0836 Cyg). We computed the mass transfer rate, minima possible mass ofthe third component and their errors for each of the researched stars.

Third components with elliptical orbits in the eclipsing binaries: BD and, SV Cam, V0836 Cyg & XZ CMi