5:35 PM PST
'What do you mean you travelled through time?' Marty Jr asked, confused.
'I don't blame you for not believing me,' Jennifer said, gently, 'but, thirty years ago, Dr. Brown invented a time machine. He brought your dad and me into the future, so that your dad can pose as you, and prevent you from being arrested. Griff would have goaded you into committing a robbery otherwise.'
'Oh, yeah, I wish I had the courage to stand up to Griff and his gang,' Marty Jr said, sighing. 'Dad always seems so depressed. You see, about thirty years ago, Dad tried to prove he wasn't chicken, and he ended up in an automobile accident with a Rolls Royce.'
'What?' gasped Jennifer, horrified. 'What led him to do such a thing as that?'
'Well, if I understand correctly,' Marty Jr said, sighing, 'Needles had dared Dad into racing against him. So the man in the Rolls Royce had pressed charges against Dad, and Dad also broke his hand, which resulted in him giving up on his music.'
'Oh, no!' gasped Jennifer.
'You mean you don't know about it?' Marty Jr asked, confused.
'I guess it hasn't happened, yet,' Jennifer replied. 'Oh, my God, I'm going to have to warn Marty about this. We're going to have to stop this from happening.'
'Is it possible to change the past?' Marty Jr asked, doubtfully.
'Well, actually, it may be the past to you,' Jennifer said, slowly, 'but it's still in my future. I'm sure I can prevent this from happening.'
oooooooooo
At the antique store, the saleswoman took the almanac from the window and gave it to Marty.
'Now, this has an interesting feature,' the saleswoman was saying to Marty. 'It has a dust jacket. Books used to have these to protect the covers, of course that was before they had dust repellent paper. And if you're interested in dust, we have a quaint little piece from the 1980's, it's called a Dustbuster'
oooooooooo
As Marty was looking at his purchase outside, Doc arrived in the DeLorean, hovering over the shop.
'Marty!' shouted Doc.
'I can't lose!' Marty exclaimed.
'Marty, up here!' called out Doc, then he whistled.
Marty turned around, and he saw Doc. He asked, 'Doc, what's going on?'
'Stand by,' Doc instructed. 'I'll park over there.'
oooooooooo
When Marty was in the DeLorean, he said 'hi' to Einstein, Doc's sheepdog.
'I left him in a suspended animation kennel,' Doc explained. 'Einstein never knew I was gone!'
Then, after getting out of the DeLorean, Doc shouted, 'Marty! What in the name of Sir Isaac H Newton happened here? Where is Jennifer?'
'Oh, yeah, Doc,' replied Marty. 'Listen, because I dared to stand up to Griff, all hell broke loose.'
'I was afraid of this!' gasped Doc. 'I should have realized just how vindictive the Tannens can get, and how they refuse to just take 'no' for an answer. Damn!'
Then Marty looked at the USA Today newspaper. 'Doc, Doc, Doc, look at this! It's changing!'
The newspaper was changing from 'Youth Arrested' to 'Gang Arrested'. The picture of Marty Junior changed to one of Griff and his gang. At the Courthouse, Griff and his gang were being led away by the cops. Doc looked at them through his futuristic binoculars.
'Get off, go on!' shouted the blonde.
'I was framed!' insisted Griff.
'Why, yes! Yes, of course!' exclaimed Doc. 'Because this hoverboard incident has now occurred, Griff now goes to jail. Therefore, your son won't go with him tonight - and that robbery will never take place. Thus history, future history, has now been altered - and this is the proof! Marty, we've succeeded - not exactly as I'd planned, but no matter. Let's go find Jennifer and go home!'
Marty greeted Einstein again, 'Hi, Einie - hi, buddy!'
Marty then picked up the almanac in its bag, but the book fell out and landed at Doc's feet.
'What's this?' asked Doc.
'Uh, it's a souvenir, a book,' stammered Marty.
'50 years of Sports Statistics. Hardly recreational reading material Marty,' protested Doc.
'Hey Doc, what's the harm of bringing back, er, a little info on the future?' Marty asked, defensively. 'Thought maybe we could place a couple of bets.'
'Marty!' shouted Doc. 'I didn't invent the time machine for financial gain. The intent here is to gain a clear perception of humanity. Where we've been, where we're going. The pitfalls and the possibilities. The perils and the promise. Perhaps even an answer to that universal question, why?'
'Hey, Doc, I'm all for that!' said Marty, defensively. 'What's wrong with making a few bucks on the side?'
'I am going to put this in the trash!' Doc said, with authority. Doc ran over to the alleyway, and put the almanac into a moving bin.
'Okay, Marty,' Doc said, with a sigh. 'Do you have any idea where Jennifer went? I told her to stay in the alley, but she obviously didn't listen to me.'
'No, not really,' said Marty, shaking his head. 'I haven't seen her around.'
'Great Scott!' gasped Doc, as gazed through his futuristic binoculars. 'Jennifer is with your future son, and she is asking him questions about the future. Damn that girl! We shouldn't have brought her along.'
'It's all my fault, Doc' Marty said, blushing. 'I was the one that let her come to the mall with me. I guess I didn't see any harm in it.
'Nobody is blaming you, Marty,' Doc said, gently. 'We have to follow Jennifer and your son. They're heading over to Hill Valley Park. Well, at least they aren't heading over to your future home.'
'Why?' asked Marty. 'What would be the problem with that?'
'Well, because,' explained Doc, 'in that case, Jennifer could conceivably encounter her future self, the consequences of that could be disastrous.'
'Doc, what do you mean?' asked Marty.
'I foresee two possibilities,' explained Doc. 'One - coming face-to-face with himself thirty years older could put him into shock, and he could simply pass out. Or two - the encounter could create a time paradox, the results of which could cause a chain reaction that would unravel the very fabric of the space-time continuum and destroy the entire universe. Granted, that's the worse case scenario. The destruction might, in fact, be very localized, limited to merely our own galaxy.'
'Well, at least that won't be a problem then,' Marty said, sighing a little.
'Let's go!' urged Doc. 'We'll have pull Jennifer away from your future son!'