In the beginning of the SpongeBob SquarePants episode 'Dying For Pie', as SpongeBob slides across the window to follow Squidward, he unintentionally 'cleans' the window, due to him being a sponge.
When Conan O'Brien reviewed Fallout 4, his staff created his character based on him. They maxed out charisma and Luck, but they minimized everything else.
3Parks & Recreation
In Parks & Recreation, Jeremy Jamm says he loves Chinese culture but in his house, he has a sign that says North Korea in Japanese.
In Jeopardy, this small white light at the base of each player's podium tells Alex Trebek which player gave the last correct response.
In Chernobyl, Valery Legasov is led to an interview room after the trial and upon entering checks behind the door. A common KGB technique was to have an armed executioner wait behind the door and shoot as the victim entered.
In the SpongeBob SquarePants Season 1 Episode "Boating School" We hear Fred screaming 'My Leg!' for the first time. About 19 years later in the S11 episode “My Leg!” during a compilation of him screaming My Leg, we see the exact same moment but from Fred's perspective.
In the Game of Thrones, Daenerys Targaryen gets more braids in her hair as she wins more victories - following the Dothraki tradition and proving her valour as a Khaleesi.
In Spongebob SquarePants S03E03, Squidward eats Krabby Patties in the same way that sea cucumbers eat micro-organisms. Spongebob was made by Stephen Hillenburg, who has a degree in Marine Biology.
In the Office, Schrute Farms displays a flag with 15 stars. The 15 stars flag represented the original 13 colonies plus Vermont and Kentucky, used from May 1, 1795, to April 12, 1818. Schrute farms was established in 1812.
10Always Sunny in Philadelphia
In the Always Sunny in Philadelphia episode "The Gang gets Trapped," it appears that the gang purchased an Indiana Jones costume before breaking into the house but couldn't decide who should wear it. They instead split it up; Charlie got the jacket, Mac the hat, and Frank the whip.