This provided an important lesson for the keepers of the franchise: The only reason the concept worked in the first place was that viewers were invested in the original actors (see also: Dumb And Dumberer: When Harry Met Lloyd). But studios being studios, they decided to throw common sense and decency to the wind and bring forth a live-action TV abomination so heinous that even the girl from Small Wonder shuddered to think of it.
The heretofore-delightful duo were replaced by Evan Richards and Christopher Kennedy, respectively, and let's just say that they're the only main actors on the show's Wikipedia page without hyperlinks. As Variety described the situation in a review, "the problem lies in Richards' and Kennedy's charmless acting. They have none of the wit needed, and their dumbness is not endearing, only grating."