My appearance in the Spanish TV program Cuarto Milenio.
Here you can watch my appearance in the TV program Zapeando: https://www.lasexta.com/programas/zapeando/divulgador-cientifico-invasion-extraterrestre-5-poblacion-psicopata-pero-otro-planeta-podria-ser-porcentaje-mas-alto_20220607629f61b54213630001533d48.html
Credits: https://www.cuatro.com/cuarto-milenio/20220529/alberto-caballero-astronomo-existencia-extraterrestre_18_06578120.html
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