Gintama: Season 7, Episode 8

7 - 8: When Compared to Time in the Heavens, Fifty Years of Human Life Resembles Naught but Dreams and Lottery Tickets

Whilst buying his cigarettes, Hijikata is persuaded to take a lottery ticket someone left behind. Against all the odds, it's the jackpot winner! Hijikata becomes paranoid that somebody knows he has the ticket and then bumps into the last person he wants to see!