Deadliest Catch, Discovery Channel

In season 3, CGI was used to show sea lions playing with crab pot buoys, as what was believed to happen with Northwestern's crab pots before opilio season that year.
In season 4, episode 6, CGI was used to show how the falling cable of the picking hook of the Time Bandit would have killed greenhorn Shea Long had it failed a few seconds later when a pot was attached to it.
In season 4, episodes 9 & 10 used CGI to show how ice build-up would prove hazardous to the Coast Guard helicopter if its deicing systems failed.
In season 5, CGI was used to illustrate the sinking Katmai deploying liferafts amidst battering waves.