Black-ish S01E24:

Pops' Pops' Pops

IMDb 7.1 22 min/episodeRelease:2014
Pops comes to the rescue with the colorful story of how his great-great grandfather, Drexler Johnson, bet the future of the Johnson family against a ruthless gangster, Elroy Savoy, for Jack and Diane's school assignment.
Genre: Comedy