The Season 4 premiere of Riverdale will be a tribute to late star Luke Perry.
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Perry's longtime friend and former co-star Shannen Doherty will appear in the episode.
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Doherty revealed she approached Perry's family and manager for permission to appear.
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Doherty admitted Perry attempted to get her to appear on the series for years.
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Doherty previously co-starred with Perry on the 1990s series Beverly Hills, 90210.
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The specifics of Doherty's role in the upcoming episode are still under wraps.
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Perry starred as Archie Andrews' father Fred for the first three seasons.
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Perry passed away during production on Season 3 after suffering a stroke.
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