Doc asks Marty if he’s interacted with anyone since coming back in time and Marty realizes that he may have inadvertently erased himself from existence.

Guest: Crystal Beth

Only a bolt of lightning has enough power to send Marty back in time, luckily he knows exactly when and where one will hit.

Doc freaks out and runs away to confide in Thomas Edison, then asks Marty about Jennifer.

Doc watches himself as an old man in 1985 on a video from Marty’s camcorder.

Marty takes Doc on a spooky trip to the outskirts of Hill Valley.

Marty tries to convince Doc he’s from the future by chasing him to his garage.

Marty tells Doc that he’s traveled here in Doc’s time machine, but Doc hasn’t invented any time machine.

Guest: Scott Tofte

Marty arrives at the Brown Mansion to get help from Doc’s 1955 counterpart, but all Doc wants to do is read Marty’s mind.

Guest: Scott Tofte

Marty gets his thigh seductively squeezed by his mother and has to leave, but he’ll see the Baines family later… MUCH later.

Guest: Scott Tofte

Marty proclaims to the Baines family that he’s seen this brand new episode of The Honeymooners as a rerun on one of his two televisions, then asks for directions.

Guest: Scott Tofte