Change Channels is a phrase used to describe the action of switching from one television channel to another. The crossword solutions for this term are DREDGE (6 letters), SLOTS (5 letters), and DIAL (4 letters). DREDGE is an action that involves scooping or digging out material from the bottom of a body of water. SLOTS refers to the narrow openings in a machine or container, such as a vending machine or a mailbox. Finally, DIAL is the act of turning a knob or wheel to adjust a device, such as a radio or a telephone.