Lisa travels back in time to 1923 and discovers that the Springfield Mini Moose, once key to the town's ecosystem, were driven to extinction in 1925; Lisa and young Monty Burns team up to save the moose, but she unintentionally shapes his future.
Lisa travels back in time to 1923 and discovers that the Springfield Mini Moose, once key to the town's ecosystem, were driven to extinction in 1925; Lisa and young Monty Burns team up to save the moose, but she unintentionally shapes his future.
