[s1e17] - 30 Something

: The episode centers on Jack Donaghy (Alec Baldwin) dealing with his estranged family, specifically his brother Eddie (played by guest star Nathan Lane ). Meanwhile, Liz Lemon (Tina Fey) must handle the fallout of having to fire several employees, and Tracy Jordan (Tracy Morgan) faces a religious crisis after discovering he is "not Irish" despite his last name.

This episode is widely considered a highlight of the first season, effectively balancing the show's signature workplace absurdity with character development. [S1E17] 30 Something

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