The episode explores the potential of investing in the FTSE 250 for retirement planning, comparing its performance to the FTSE 100. The article highlights the significant difference in annualized returns over time, with the FTSE 250 historically yielding a higher return. However, it cautions that past performance is not indicative of future results, noting that the FTSE 250 has underperformed in recent years. Despite this, the article suggests that the stock market may offer opportunities for investors, though it emphasizes that investment carries risk and advises seeking professional advice.