Connection to the new show?

They're hinting at it. In a recent episode, the Flash is running through time and sees "visions" of other Earths, one of the visions is the flash from the original series. I'd say that it will cross over eventually in one way or another.


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dies ist meine unterschrift

as noted since the Introduction of the Multiverse... Flash 90 has been established as an Alternate Earth to the 'earth 1' of the Flash/Arrow shows

beyond that Easter eggs have included

Amanda Pays as Tina McGee
Mark Hamill as Trickster #1
Vito d'Ambrosio as Bellows (officer in '90 Mayor in '14)
and of course, Shipp, who played Barry in 90. is now Henry in '14

I forget if they gave Henry a Middle names in Flash '14, but save for Barry '90 dating an Iris West in the Pilot... it wouldn't take much to say he was 'Henry Bartholomew Allen' in Flash '90, and went by Barry to avoid being "Junior"... and that the Flash '90 Timeline diverged with 'Shipp' getting the Speed Force and having his adventures as shown in this show... while in Flash '14s history the Lightning missed the lab, Barry led a normal Life, left forensics, went into Medicine/Research and found Nora and settled down to eventually have Barry '14
- Gustin was born in 1990... and Young Barry was played by a 10 year old in scenes set in 2000/14 years prior to events of the Pilot)

so if we ball park Barry as being Gustin's age minus a few years... and assume the events of Flash '90 was an anachronistic 1980s (much like Gotham has a Vague 2000s feel) the timing almost works too...