Ali and Rush look back at Season Four adventures and revisit the concept behind "Local Knowledge."

Ali and Rush join up with Australian friend and owner of Nomad Tackle, Damon Olsen to target Bluefin Tuna in San Diego. The fish are around, but the guys will need use every trick they have in their book to get the lure designer his prize.

Rush and Ali continue to enjoy long days and great fishing as they immerse themselves in the Alaskan lifestyle and get to know more than just the fishery.

The crew lands in Seward, Alaska, to fish with longtime friends at Cracker Jack Sportfishing for large halibut and lingcod.

The low country adventure continues as the guys fish Rush's new 322 SeaVee out of Jereme Creek and the Village of McClellanville in South Carolina; Jacks, Grouper, and some of the largest Red Snapper the guys have seen make for solid action.

Rush and Ali head to the small town of McClellanville in the low country of South Carolina to fish with buddy Chris Morrison for some familiar bottom species; using Key West tactics, the guys reminisce about Chris' years living in the Florida Keys.

The Baja adventure continues as Ali and Rush search for the bait balls that hold striped marlin in large numbers; a Baja sleigh ride shaves over an hour off their boat run to the fishing grounds.

Ali and Rush head into Baja to fish with longtime friend Chris Jones in the fabled waters of Magdalena Bay; situated in a remote camp on an island, the guys hope to intercept hoards of striped marlin that make for one of the most unique fisheries.

Springtime has sprung for Ali and Rush on their respective coasts, and it's a great time to grab a buddy and head offshore to take advantage of what happens on the water at this time of year.

Ali and Rush head to Northern California with the new Local Knowledge SeaVee to fish for a species new to both of them; the guys team up with Zach Medina and Virginia Salvador of Gatecrasher Charters to set up the White Sturgeon Road Block.

Local Knowledge goes NASCAR in a unique collaboration with Starcom Racing and Superior Essex as they field a one-of-a-kind mahi-wrapped car in the championship race at the Miami Homestead Speedway.

After taking delivery of the new Local Knowledge 34' SeaVee Z boat, the guys decide to bring it down to the Florida Keys for a proper shakedown before it makes its way to the other side of the country.

Even a little local knowledge can be the difference between making or breaking a fishing expedition. That's the attitude veteran anglers Ali Hussainy and Rush Maltz celebrate on this show. The friends from opposite ends of the country -- Ali is a Californian, while Rush is from the Florida Keys -- explore their home grounds as well as exotic hot spots, seeking out unique aspects and hidden jewels of each destination. The also recognize the characters who pursue a lifelong addiction to fishing and the outdoors. "We want to eat and hang out where the locals do," Rush says. "That is where the real fishing stories are told."

Even a little local knowledge can be the difference between making or breaking a fishing expedition. That's the attitude veteran anglers Ali Hussainy and Rush Maltz celebrate on this show. The friends from opposite ends of the country -- Ali is a Californian, while Rush is from the Florida Keys -- explore their home grounds as well as exotic hot spots, seeking out unique aspects and hidden jewels of each destination. The also recognize the characters who pursue a lifelong addiction to fishing and the outdoors. "We want to eat and hang out where the locals do," Rush says. "That is where the real fishing stories are told."

Even a little local knowledge can be the difference between making or breaking a fishing expedition. That's the attitude veteran anglers Ali Hussainy and Rush Maltz celebrate on this show. The friends from opposite ends of the country -- Ali is a Californian, while Rush is from the Florida Keys -- explore their home grounds as well as exotic hot spots, seeking out unique aspects and hidden jewels of each destination. The also recognize the characters who pursue a lifelong addiction to fishing and the outdoors. "We want to eat and hang out where the locals do," Rush says. "That is where the real fishing stories are told."

Even a little local knowledge can be the difference between making or breaking a fishing expedition. That's the attitude veteran anglers Ali Hussainy and Rush Maltz celebrate on this show. The friends from opposite ends of the country -- Ali is a Californian, while Rush is from the Florida Keys -- explore their home grounds as well as exotic hot spots, seeking out unique aspects and hidden jewels of each destination. The also recognize the characters who pursue a lifelong addiction to fishing and the outdoors. "We want to eat and hang out where the locals do," Rush says. "That is where the real fishing stories are told."

The journey along the Sea of Cortez midriff continues as the guys head further south, fishing the enchanted islands of Baja for grouper, marlin, and yellowtail.

Ali and Rush head to Baja to meet with old friend Julio Meza and fish the diverse Sea of Cortez and Isla Encantada; with the mother ship close behind, the guys work up and down the coast, fishing for some of Baja's prized species.

With 1,700 miles of road ahead, Rush and Ali continue their cross-country road trip from Florida to California with the new 32-foot Andros in tow.

Even a little local knowledge can be the difference between making or breaking a fishing expedition. That's the attitude veteran anglers Ali Hussainy and Rush Maltz celebrate on this show. The friends from opposite ends of the country -- Ali is a Californian, while Rush is from the Florida Keys -- explore their home grounds as well as exotic hot spots, seeking out unique aspects and hidden jewels of each destination. The also recognize the characters who pursue a lifelong addiction to fishing and the outdoors. "We want to eat and hang out where the locals do," Rush says. "That is where the real fishing stories are told."

With the completion of the 32' Andros build, the new LK boat makes the journey to the West Coast; stopping along the way in Louisiana, Rush and Ali visit friends Eric and Monique Newman to help break in the new ride.

Three-time world sailfish champion Peter Miller brings viewers along as he and his guests -- experienced anglers and amateurs alike -- travel across Florida on unforgettable fishing adventures. Miller begins each episode by meeting his guests either at the airport or at their resort accommodations, and then the fun begins. The fishing expeditions are taken on both fresh and saltwater sites and some of the many species featured include largemouth bass, swordfish, tarpon, shark, snook, red snapper and grouper. Away from the water, Miller also extends his guests such amenities as shopping experiences and tickets to pro sports events.

World-renowned angler/guide Carter "Big Boy" Andrews demonstrates his legendary fishing exploits, traveling around the world to catch and release some of the planet's greatest fish species. Deep in the Peruvian Amazon, Andrews pursues the massive arapaima, a prehistoric air-breathing fish that can weight as much as 300 pounds; on Portugal's Algarve coast, he searches for a 1,000-pound blue marlin; and the mythical Golden Dorado, known for its strength and razor-sharp teeth, is his prey in Bolivia, among other adventures. Andrews manages nearly 300 days of fishing each year, a workload he has maintained for more than three decades. He has won many fishing tournaments and has been a member of Fly Fishing Team USA.

Charter boat captains Steve Rodger and Scott Walker combine their distinctly different fishing styles and skills to produce this action-packed offshore fishing series. Rodger has a lifetime of fishing and diving experience in the waters surrounding the Florida Keys, and many "Into the Blue" episodes feature his underwater videography as he hunts for the ocean's predators. Walker is a proven performer in big-game billfish tournaments and has fished the waters of the Florida Keys and the Mid-Atlantic for more than 25 years. Together, in the search for yellowfin tuna, red snapper, sharks, sailfish, mahi-mahi or marlin, they demonstrate how to make an offshore fishing adventure a success.

Fishing enthusiast Charlie Moore, also known as "The Mad Fisherman," is stepping out of his comfort zone and into the worlds of his guests, but first they have to visit his. In each episode, a special guest is invited into Charlie's world, and then the roles are reversed. When it's his turn, Charlie immerses himself in the local culture of the town he visits, wanting to experience everything that makes it special, from the best places to eat to favorite fishing destinations, and nobody is safe from his comedic critiquing.

Andy Coetzee has navigated the oceans in an attempt to reel in the world's largest and most elusive fish. Viewers watch as Coetzee braves one of the most treacherous rivers on the planet, dive into the predatory waters of Western Africa, and enter uncharted regions of the Indian Ocean as he seeks the Nile perch, the giant barracuda, and the dogtooth tuna. Coetzee has made it his mission to do whatever it takes --no matter how dangerous-- to catch these great giants.

Popular Animal Planet personality Jeremy Wade, the nine-season star of the network's top-rated series "River Monsters," returns to waterways across the globe to investigate reports of the unimaginable and unexplained. He takes viewers on journeys beneath the water to remote areas, to islands lost in time and out into the open ocean to investigate reports that include entire fish species suddenly disappearing; unexplained sightings of mythical beasts; once thriving rivers now empty; and genetic oddities that may have produced the biggest monsters yet.

Professional bass fisherman and TV personality Mike "Ike" Iaconelli searches for the world's most iconic fish living alongside some of the world's busiest concrete jungles.