A Damming Clue

1 On Their Marks 2 Across the Pond 3 Bubbling Over 4 Wharf and Pieces 5 Duc it Out 6 Over the Muon 7 Norsing Around 8 A Lot to Be Desired 9 A Damming Clue 10 The Blob 11 Oh, Well! 12 Beware the Blob 13 All's Well 14 Getting the Shaft 15 Wood You Believe It? 16 Striking Gold 17 A Well of Secrets 18 A Quadrilateral Move 19 Ramping Up 20 A Barrel full of Clues 21 Roman Around 22 Starry Knights 23 The Italian Job 24 Down the Hatch 25 And the Hits Keep Coming