For ABC, there is a live stream of the channel which can be accessed here, and through that, fans can watch "Once Upon a Time" season 3 episode 4 online.

There are a lot of fake channels solely for the purpose of luring viewers with ads, but here is how you can avoid any potential hiccups with pop-ups and ads.

--For every ad, there is an "X" button. It is typically in a corner or out of the way so it is hard to see. Sometimes ads try to fool you by giving you a fake "X" graphic which leads you to an ad. Do not be discouraged when this happens, the real "X" button is there somewhere.

--Multiple ads will pop and it takes a little bit to clear out each and every ad. Even then, pop-ups will occur as you clear the ads. DO NOT listen to any of these ads or pop-ups and clear them right away.

--This "Once Upon a Time" season 3 episode 4 live stream will have recurring ads that pop up every once in a while. If this is the only way you can view "Once Upon a Time" season 3 episode 4, do not be deterred.

"Once Upon a Time" season 3 episode 4 will air Sunday, October 20, so be sure to check back with the live stream then!