Brigsby Bear (2017) is written and directed by Dave Mcary, who spent the last six years as a writer for Saturday Night Live.
What can I say about the plot of this movie? Not much without revealing some of the more surprising and dark plot twists. Ostensibly, it's about a man with a seemingly unhealthy obsession with a children's TV show. It reminded me of a mix between Death to Smoochy and Be Kind Rewind.
Also, you get to see Mark Hamill utilize his voice acting chops.