It might not make too many lists of the best '90s TV shows, but "Step by Step" — like the rest of its TGIF brethren — wasn't trying to push new boundaries in small-screen comedy. It was a light, fun, ...

Lakin and Keanan shared a photo with their TV father on Instagram on Dec. 31, with Duffy, who played Frank Lambert, sitting in between his two TV daughters. In the series, Lakin played Lambert's ...