Stupidity: When Rick and Morty are in the giant's lair, the giant enters the kitchen, slips and bangs his head on the table which then kills him. The giant's wife then accuses Rick and Morty of attacking her husband and traps the duo in a glass and they get arrested by the police. Rick stated earlier in the scene that he had his portal gun with him, so he could have easily just opened a portal and they could have escaped before the police arrived. They knew the police were coming because they seen the wife calling the police after trapping them.
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Suggested correction: Since Morty was calling the shots, using the portal gun to escape the adventure would've been giving up, and he would've lost the bet.