Chhota Bheem Season 3 Episode 37 Kaun hai Bheem/Space Demons

A bunch of strangers come to Dholakpur, asking to meet Chhota Bheem who defeated Daaku X; Gog and Agog are followers of the masterful space-lord Zok. Chance had brought their mother-ship hurtling through space, into the earth's atmosphere. Under Zok's orders, the space aliens, had been given the task to find if the Earth could be conquered.