The fight between Michael and Lucifer was one storyline that the show had spent over a decade preparing for. Yet, when it actually came, it's not nearly as terrifying as fans expected. Reddit user comments, "It was pathetic. In season 4/5 it was supposed to destroy half the world and it didn't even wreck the building they were in.
Michael and Lucifer were two of the , and their endings were as lackluster as it was boring. If the show wanted to revisit them, they should have caused as much damage as they were meant to, even if it meant an apocalyptic future.
After murdering Amy Pond, a kitsune who was killing to protect her son, Dean found that her son swore that he would return the favor and kill him.
"He had a powerful, meaningful story and the creators just dumped it," writes Redditor . Instead, Jacob became one of . It was incredibly disappointing and, if the show needed to kill off Dean, it should have used Jacob instead of a rusty nail.
As hunters, Dean and Sam were rarely on the right side of the law. There were many times when the two of them struggled to avoid prison, and sometimes, they even failed to. Yet for some reason, they always managed to come back without anyone even recognizing two of the FBI's most wanted.
"The amount of times Sam and Dean are country wide fugitives then next season act like nothing happened," says Redditor
. It's a major plot hole, as they should never have been able to interact with law enforcement without a hefty prison sentence.
The Winchesters were all about family, or at least, they were all about the family that they cared about. Their half-brother Adam rarely actually won the same protection. Redditor thought that "Leaving Adam in hell" was ridiculous. They further elaborate, "And let's face it, they did not make best efforts to retrieve him."
Given that Sam managed to escape from the cave, the brothers knew that it was possible. Yet they left Adam to suffer in endless torment for no reason at all. The Cage was the , so letting Adam stay there was just needlessly cruel.