Michelle Trachtenberg

Paramount Pictures, NBC Photo: Mitchell Haaseth

Remember when Mark-Paul Gosselaar played it direct-to-camera and timed us out on Saved by the Bell? Or when child star Michelle Trachtenberg solved mysteris as a young Harriet the Spy? Or when Jenna Elfman charmed us with her quirkiness on Dharma & Greg?

Of course you do! Well, we're taking a trip down memory lane as we showcase these familiar faces and others in the shows that made them famous and in their new TV gigs now in our Then & Now TV Gallery.

Click on the thumbnails below to take a look.

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