In the Cheers episode Cheers: From Beer to Eternity (1985) Woody Boyd, played by Woody Harrelson, reveals that he is an ex-bowling ace who retired due to crippling a man in a bowling accident. In this film his character is forced into retirement due to a bowling injury at the hands of Ernie McCracken.
In the final tournament the announcer says there is a Cinderella story shaping up here. Possibly referring to one of Bill Murrays famous lines in Caddyshack.
During the Reno tournament, there are several instances where you can see the scoreboard above the lanes. Each time, the scoreboard has multiple names under each of the lane headings despite the fact that only one bowler is on each lane.
When the strip club owner is about to beat Ishmael with a bat, the cigar in his mouth disappears. And in the same scene Ishmael's hat falls to the ground when he's pushed up against the wall but a few seconds it re-appears on his shoulder.
Roy: Hey, I hope you don't mind, I got up a little early, so I took the liberty of milking your cow for you. Yeah, it took a little while to get her warmed up, she sure is a stubborn one. Then, POW, all at once.
What are the differences between the Theatrical Version and the Extended Cut?
A
Only in the States, an Extended Cut was released on DVD, that features nearly four minutes of new footage not shown in the Theatrical Version. Due to this new scenes, the DVD was rated R whereas the Theatrical Version has a PG-13 rating. A detailed comparison between both versions with pictures can be found here.