What was Operation Sea Lion?
Operation Sea Lion was the German code name for their intended invasion of Britain - beaten back by the Battle of Britain in 1940.
Operation Sea Lion was the planned German invasion of Britain. It was postponed.
The sea lion you are probably referring to is Operation Sea Lion. Operation Sea Lion was the German plan to invade the island of Great Britian. The plan was an amphibious invasion after the Luftwaffe, the German Air Force, had bombed the British into submission. But the bombing campaign failed and Operation Sea Lion never happened.
What are the release dates for Pinky and the Brain - 1995 Operation Sea Lion You Said a Mouseful 3-22?
Germany needed to win the Battle of Britain to attain air superiority as a necessary prerequisite, before Operation Sea Lion (the invasion of Britain) could be attempted. Since Germany did not win the Battle of Britain and did not achieve the necessary air superiority, the invasion never took place.