Two and a Half Men S02 E16 Can You Eat Human Flesh with Wooden Teeth?

"Two adults. One kid. No grown-ups."

When Judith decides to take a vacation, the brothers have to take care of Jake during the week. Alan finds it challenging, and even forgets to pick up Jake from soccer practice. When Alan finds out that he has to go to the I.R.S. because they're auditing him, he forces Charlie to take care of Jake, and Charlie doesn't do any better then Alan.