George, an Elvis superfan, spent decades building a collection covering the entire reign of the King of Rock-n-Roll; hundreds of records, movie posters and fan magazines take up nearly every inch of George's home; he shows his collection to Lisa.

As a well-known personality, Ralph Garman knows the ins and outs of show business; but his Batman '66 collection is a product of his lifelong love for the show; joining Ralph is Nina Tooley who has never even seen many of these collectibles.

Doug Redenius, co-founder of the Ian Fleming Foundation, has more than 30 vehicles from James Bond films; the foundation houses cars, an airplane, a submarine, an excavator, and so much more in a hangar and displays them at charity events.

James Azrael is a movie costume collector; he considers himself the keeper of these iconic costumes for a moment in time; including from films like "Robocop," "The Terminator" and more.

Jeff Bauspies is the Guinness World Record holder for the largest collection of board games; his basement is packed with games arranged in alphabetical order, some of which are quite rare, including a 1941 edition of Monopoly.

Actor Daniel Roebuck shares his collection of horror and science fiction movie memorabilia, including a mold of actor Peter Boyle's head used for a special effect in "Young Frankenstein" and a vintage Herman Munster doll signed by Fred Gwynne.

Ed Montalvo is a "The Twilight Zone" collector with roughly 1,600 unique related items in his collection; Ed's sister, Annette Kirscher and auction house owner Gabe Fajuri put a value on Ed's extensive collection.

Fred likes toys, cars and TV and pop culture memorabilia; he makes a point of having these items signed and authenticated by celebrities, from a broken fender signed by race car driver Dale Earnhardt Jr. to a ping-pong ball from Captain Kangaroo.

Bill Leff is a radio talk show host who has amassed thousands of vintage toys, dolls and figurines which includes rare items that may be familiar to some Baby Boomers; Lisa brings along Mark Huckabone to appraise Bill's collection.

Eric Pfeifer's "Star Wars" collection is so vast it covers both floors and the basement of his house; it includes a braid of Chewbacca's hair; 1980s Han Solo and Lando Calirissian action figures; and a billboard that only fits in Eric's backyard.

Mell Bravo has amassed a collection of more than 3,000 versions of Barbie and the collection is still growing; Mell estimates she spends $20,000 a year; Lisa's brought along certified appraiser Kate Martin to appraise the collection.

After the beloved actress Charlotte Rae passed away in 2018, her son, Larry Strauss, inherited her personal collection of memorabilia; Larry is joined by Lisa Whelchel; Larry's daughter, Carly, and pop culture historian Rob Klein.

Jeff Viens has assembled an incredible collection of all things Lego, including the world's largest Lego trebuchet -which he built himself; Lisa brings Jim Demer, who will set a value on Jeff's collection.

As the Guinness World Record holder for the most Mickey Mouse memorabilia, you might say Janet Esteves is mad about Mickey; her collection, with over 14,000 items includes over 130 watches and a Swarovski crystal Mickey Mouse handbag.

Al Sorenson is a school teacher and artist, whose passion as a collector is celebrity-autographed memorabilia including a sketch he produced of Michael Jordan which "MJ" autographed; Lisa brings along sports memorabilia dealer Scott Ibarra.

His passion and knowledge of sneakers has led Errick "Unbreakable Kicks" Spencer to assemble an enormous and amazing collection of shoes, which he displays and then reviews on his YouTube channel for his many followers.

Olympic figure skater Scott Hamilton collects memorabilia, including vintage pinball machines and guitars autographed by the Eagles and Bruce Springsteen; certified appraiser Judy Martin has something from the music world to offer as a trade item.

Chris Stulz's obsession with all things Jim Henson that started with his childhood and Sesame Street continued into his adulthood, encompassing Fraggle Rock, The Dark Crystal, Labyrinth-and of course, everything Muppets.

Mancow spends his days as a radio personality with a national following, but his true passion is his collection of movie, TV and music memorabilia, which he's been amassing over the past three decades. His good friend Barry Williams (Greg Brady of The Brady Bunch) guest stars!

Jim Turano has attended over 193 Elton John concerts is building an unrivaled collection of memorabilia, including a costume jacket (with matching glasses) worn by Elton onstage; Lisa's bringing David Ashdown to appraise Jim's collection.

Karen collects Marilyn Monroe memorabilia for more than 30 years and amasses a collection of more than 2,000 items -- all proudly displayed in her museum-like "Marilyn Room."

Brian Smolik collects anything and everything with the Pac-Man design, including a Pac-Man bike and Pac-Man sleds; Tim Lapetino, a videogame historian who will appraise Brian's collection.

Rick Lisnek collects everything related to the Beatles; among his most prized items are the infamous censored "Butcher" album cover; a very rare tin of Beatles talcum powder; and a vintage Beatles record player.

Allen Stewart's Hall of Heroes superhero museum houses his collection of 65,000 comic books as well as a wide range of memorabilia, movie props and more; including a wooden Superman action figure and the comic that first cover-featured Wonder Woman.

Sheri Goldstrom builds a car museum to show off her family's collection of antique vehicles, which ranges from a 1918 dump truck to a 1956 Chevy; Chris Clyne tries to put a dollar amount on Sheri's collection and pull off a trade with a 1940 Ford.