S1·E504 Vasant Ka Humshakal

Manav, Anna, and Sharad meet a conman, but he too turns out to not be Premlata's husband. Bhairavi suggests to Vasant to hunt for his lost son, '2015' by using their time machine. The Ghotalas use their time machine to go back to the moment 2015 landed on Earth, but they reach 30 minutes late and come across a group policemen looking for aliens, after having discovered a spaceship. What happens next?