Sam leaps in to save Al from conviction, but the reason for the conviction (Lisa not making a statement) is caused by Sam after he leaps in. So, if Sam had never leaped in the first place, he wouldn't have needed to leap in.
Lisa's speeding car is a convertible and doesn't have upper door frames for the windows. The burning car visibly does.
Several references are made to Al being convicted at court-martial and being sent to the gas chamber. Until 1961-the last military execution to date-hanging was the sole and official method. Most of the executions in the 20th century were for rape and/or murder. Later the military introduced the electric chair, which was never used. Currently, lethal injection is the only method. Lethal gas has never been an official method of execution in the U.S. military.
When Sam is brushing his teeth the mirror trick used has the actor playing "Bingo" stand to the right of Sam, the camera angle makes it look like Sam's reflection is "Bingo". when he lifts his arm to put the toothbrush to his face, you can see Scott Bakula's arm briefly reflected in the mirror next to young Al.
When Al claims that Sam did not leap because he failed to save Lisa, Sam says that success has nothing to do with leaping (Al reiterates this in the following episode). Since, in nearly eighty leaps, Sam has never failed in his mission, it is unclear how he came to the determination that success is not necessary to leap.
Of course, this assumes all of Sam's leaps have been shown as episodes. As in part 2 of the first episode of the series, some leaps may have been too brief to mention.
Of course, this assumes all of Sam's leaps have been shown as episodes. As in part 2 of the first episode of the series, some leaps may have been too brief to mention.
Just after Al tells his younger self that he is him, the next scene shows a jet fighter taking off at night. the afterburners of the aircraft taking off is that of the SR-71 Blackbird. This could not have happened in 1957 since The SR-71 Blackbird didn't come into service until 1964. This aircraft was operated strictly by the U.S. Air Force and NASA, not the U.S. Navy.