In Part 2, Biff finds a sports almanac in the future, which says the 1997 World Series was won by a team in Florida.

In fact, Fox got caught up in the rope and was rendered unconscious for a time.

There’s a scene in Part 3, in which “Mad Dog” Tanner hangs Marty.

Little know fact: They did not specifically grow their beards for the cameo. In the film, they play their song “Doubleback”, which they contributed to the soundtrack.

You’ll recall that the bearded band in the Wild West of Back to the Future 3 was ZZ Top.

Glover had a small role on Family Ties early in the series.

The series wasn’t the first time that Michael J Fox and Crispin Glover worked together.

When he returns to 1985, the shopping centre is called Lone Pine Mall.

A clever detail in the timelines: When Marty departs 1985, he leaves the Twin Pines Mall, and then knocks over a pine tree when he arrives in 1955, at the Twin Pines Ranch.

Emmett is a phoenetic representation of “time” spelled backwards, and Lathrop, is, basically, portal in reverse.

The character name of Doc, Emmett Lathrop Brown, contains some secret clues.

Red Hot Chili Peppers’ colourfully named bassist Flea is in the film.

Back to the future heavy