David Tennant and Doctor Who are a beloved duo like peanut butter and jelly. The actor went from being a fan of the sci-fi series as a lad to becoming one of the most popular Doctors of all-time.

“The Robot Revolution” kicks off Doctor Who’s second season (which is also the 15th of the revived era, and 41st of the series overall) with all the subtlety of a glitter cannon. It’s loud, bright, ...