Browse all 4 episodes in this season, including available images, air dates, runtimes, ratings and episode summaries from TMDB.
Episode 4
TMDB has not published a written overview for this episode yet.
Episode 5
The Invisible Man's grandson uses his secret formula to spy on Nazi Germany.
Episode 18
TMDB has not published a written overview for this episode yet.
Episode 36
TMDB has not published a written overview for this episode yet.