First, Fox picked up Eerie, Indiana off the scrap heap, and put it on Saturday mornings. Enough people must've liked it enough that Fox ordered a sequel.......which bombed.
Eerie, Indiana: The Other Dimension was a mid-season replacement series that launched in February 1998, but only 13 episodes were produced. Omri Katz, who starred in the original Eerie, returned only for the opener, to pass the torch to the new stars.
Here's the intro: