Dennis Malloy is making a return to the hit show 'Chasing.'Dennis and Judi discussed an interesting video the other day with a set of grandmothers smoking marijuana for the first time. Now Dennis will be speaking with Chasing's Bill Spadea and his team about that video and the stigma of marijuana on the show. Check out the preview below. You can see the full episode on My9NJ or on Fox29 in Philly.