Season 4
Episodes
1 Kylie Minogue, Bathurst 1000, The Office & Cremation Expert Feb 6, 2019 
2 Meccano, Alcatraz, R.E.M. & Indonesian Political History Feb 12, 2019 
3 Whales, World Geography, Life of Pi & Sir Donald Bradman Feb 20, 2019 
4 The Big Bang Theory, the Jonestown cult, rock band Queen & Tintin Feb 27, 2019 
5 Banksias, Gilmore Girls, the American Civil War & Yes the band Mar 6, 2019 
6 Roller Coasters, Manchester United, The Shining & the Watergate scandal Mar 13, 2019 
7 Horses, Wars of the Roses, Vintage Australian Washing Machines & Sachin Tendulkar Mar 20, 2019 
8 The Zimbabwe cricket team, Pokemon, the wreck of the Batavia & Absolutely Fabulous Mar 27, 2019 
9 The Wright brothers, The Book of Mormon, Aerosmith & the Volkswagen Beetle Apr 3, 2019 
10 Bill Clinton, the planet Neptune, Taylor Swift & TV series Press Gang Apr 10, 2019 
11 Joan Crawford, K-Pop group BTS, rugby hero John Eales & Jewish holidays Jul 31, 2019 
12 Steve Waugh, Luna Park, David Foster Wallace & Frank Sinatra Aug 7, 2019 
13 Dolly Parton, the Toy Story films, Pete Sampras & Dogs Aug 14, 2019 
14 The Rocky Horror Picture Show, the Napoleonic Wars, Air Traffic Control & Brooklyn Nine-Nine Aug 21, 2019 
15 French cheese, World Chess Champions, leaders of the Soviet Union & the White Stripes Aug 28, 2019 
16 Croquet, Barry Manilow, retired AFL superstar Nick Riewoldt & Toenails Sep 4, 2019 
17 Battle of the Duds Sep 11, 2019 
18 Strictly Ballroom, the Australian Light Horse, the Bee Gees & Breaking Bad Sep 18, 2019 
19 David Cassidy, Anne Frank, the 1868 Aboriginal cricket tour of England & Coffee Sep 25, 2019 
20 Tanks of WWII, He-Man and the Masters of the Universe, Bananarama & film Manhattan Oct 2, 2019