Around the release of 2018’s Avengers: Infinity War, social media was inundated with challengers to the Marvel film’s throne as the “most ambitious crossover event in history.” These suggestions were, as tweets and Instagram memes tend to be, largely facetious, but credit where it’s due: It does take a certain…
Source: Kotaku – When Urkel met Tanner: The 16 most ambitious crossover episodes in TV history