I Seem to Be Running Out of Dreams for Myself - S1-E1
Continuity mistake: Harry hands Walter Blunt a cup of liquid to drink, and Walter takes it in his hand. The next shot Harry still has the cup on a plate.
Blunt Talk (2015)
1 continuity mistake in season 1 - chronological order
Starring: Patrick Stewart, Dolly Wells, Jacki Weaver, Timm Sharp, Adrian Scarborough
Genres: Comedy
If It Comes in a Plastic Bag, Don't Eat It - S2-E2
Continuity mistake: Walter's champagne glass switches positions between shots as he speaks with Cornelia.
Walter Blunt: What would I do without you, Harry?
Harry Chandler: What would I do without you, Major?