[WARNING: This podcast contains spoilers for the Quantum Leap series finale Mirror Image] We interrupt your regularly scheduled podcast to bring you breaking news! Quantum Leap Podcast staffer Allison Pregler has made the uncovery of the century — finding photographic proof that an alternate ending to series finale Mirror Image was likely filmed. Allison joins co-host Christopher DeFilippis and Quantum Leap expert Matt Dale to discuss the photos, which feature Dean Stockwell as Al and Susan Diol reprising her role as Beth in a scene contained in original production scripts for Mirror Image — previously thought unfilmed. But you don’t have to take our word for it. We also have…