The Old Man and the Lisa
The Simpsons: Season 8, Episode 21
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When Mr Burns loses all his money, he employs Lisa to help him earn his fortune back with a recycling scheme, but they don't see eye to eye over ethical issues.
Show: The Simpsons
Air date: April 20, 1997
Written by: John Swartzwelder
Commentary: Matt Groening; Josh Weinstein; Dan Castellaneta; Yeardley Smith; Mark Kirkland; David X. Cohen; George Meyer
Episode no: Season 8; Episode 21
Production code: 4F17