Old school TV scholar Timothy Dunn pops by the classroom to discuss crossover episodes. We interrogate why there was never a “Golden Girls”/”227” crossover and did NBC even understand the concept? Richard Belzer is king and Timothy tells us how “Supermarket Sweep” and “Sabrina” could finally be united. Follow Timothy on Twitter (@timothydunn) and IG (@timothydunnhimfun)

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