The Great Snail Race / Mid-Life Crustacean - S3-E15
Continuity mistake: When Gary explodes or breaks down (or something like that), Snellie, Squidward's snail, rushes over to Gary. At first you see the track but the next shot (really quick) you don't see it.
The Great Snail Race / Mid-Life Crustacean - S3-E15
Continuity mistake: When Gary was spinning out of control, there were at least 5 lanes on the track but before there were only 3.
The Great Snail Race / Mid-Life Crustacean - S3-E15
Continuity mistake: When SpongeBob runs to help Gary in the race, Patrick's "snail" has disappeared.
The Great Snail Race / Mid-Life Crustacean - S3-E15
Continuity mistake: Gary crashes to a tire. After a while you see the tire is gone. Also, Gary stayed in the right of the track, crashed, but when SpongeBob helps him, Gary is in the middle of the track.
The Great Snail Race / Mid-Life Crustacean - S3-E15
Continuity mistake: When Patrick and Squidward stick their heads through the windows of Spongebob's house, on the outside you can see that they're next to the front door. But from the inside, their heads are next to a totally different door.
The Great Snail Race / Mid-Life Crustacean - S3-E15
Continuity mistake: In The Great Snail Race, Gary wipes out into the tires then fire fighters come and put him out (still near the tires) but in the wide shot Gary is back on the track.
The Great Snail Race / Mid-Life Crustacean - S3-E15
Continuity mistake: When Squidward looks through a window of SpongeBob's house, Patrick looks through a higher window. An outside shot shows that Patrick is standing in Squidward's shoulders, however, an inside shot shows that Patrick isn't in Squidward's shoulders.
Chosen answer: You need to provide a little bit more information to be able to answer a question like this. In what region is it not being shown? I see it being replayed here in Australia fairly frequently. As for a general reason, there does not appear to be any for why it specifically might have been taken off the air in any country or region. Like any show certain episodes can sometimes not be replayed for long periods for unknown reasons.
Lummie ★