Roz hatches a plan to get back to her island.

Nimona is the only person that can help Knight Ballister Boldheart to prove his innocence, he is framed for a crime he didn't commit.

When Grouchy Smurf behaves badly to everyone and refuses to celebrate Christmas, the Smurfs of Christmas Past, Present and Future teach him to appreciate Christmas.

Super spy Lance Sterling and scientist Walter Beckett are almost exact opposites. Lance is smooth, suave and debonair. Walter is… not. But what Walter lacks in social skills he makes up for in smarts and invention, creating the awesome gadgets Lance uses on his epic missions. But when events take an unexpected turn, Walter and Lance suddenly have to rely on each other in a whole new way.