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Dr. Sam Beckett in the Project Accelerator
|Leaping chamber used in Project Quantum Leap|
|Appeared on:||Quantum Leap|
|Episodes appeared in:||All|
In The Leap Back Sam used the accelerator again to be replaced with Al and to save his life. He had to sacrifice his freedom but he saved Al.
In A Leap For Lisa, the young Al Calavicci at the Waiting Room was catapulted back into himself, but to a time little earlier than the time Sam had leaped into him. This was done in order to fix a mistake in the past, which was impossible to fix by Sam at the time.