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What happens when two old men, father and son, are living together under one roof?

If they're Amitabh Bachchan and Rishi Kapoor, you're bound to get laughs and in the 102 Not Out trailer, that's exactly what happens; endless laughs.

The 3-minute trailer shows an energetic 102-year-old father, played by Bachchan, who plans to outlive a Chinese known to be the oldest man at 118 years. His son, played by Kapoor, is the complete opposite at 75. He sulks and is boring, to say the least.

The duo have come together after 25 years and they're already whipping up a storm. Playing polar opposites of each other, we see the humourous side to old age as Bachchan plans to send his son to an old age home because he's a grouch.

Just this glimpse into the film has us wanting more.

102 Not Out is set to release May 4th.