I've had this idea for a film plot for years but I thought this thread would be a good place to check if it has been made before to any extent?
Concept:Main character is a talentless loser type who relies on google for any information and always tries to make a quick buck avoiding making any effort. He gets sent back in time accidentally to the mid 20th century. The film follows him desperately trying to recreate successful ideas of the latter 20th century that haven't yet happenned in a vain attempt to cash in. Being a talentless philistine with no resources he fails spectacularly to: recall key details of major events, recreate classic works of various artforms, reinvent great inventions etc. I would see it as a comedy but it could go down the road of him redeeming himself by averting some final disaster (perhaps by accident).
Two films have hinted at aspects of the idea, both of which honestly came out after I thought of it: Forrest Gump and more so Be Kind Rewind. Have there been any films made closer to the above plot?
To be honest I don't think that the two examples you give do even hint at that kind of plot or have any kind of time travel - but it has been a long time since I've seen them.