Ghost imaging in the spatial domain is nowadays a well-known but still a surprising phenomenon. It
was demonstrated originally with entangled photon pairs and later with pseudo-thermal light. Very
recently it was shown that it is also possible to create ghost images in the time domain using
temporally incoherent light. In this case the object is not a spatial mask but a temporally varying
modulation of the light. We show a simple experimental setup for temporal ghost imaging that can be
implemented even in the undergraduate physics laboratory. Results are very close to the those
reported in the first experimental study of this phenomenon.