Four-part docuseries starts as a typical self-congratulatory tribute. Then it drills down to specific highs and lows, and delivers the goods

Not the Please Don’t Destroy gags or Andy Samberg viral raps, but the artistic swings like “La Dolce Gilda,” Gilda Radner's indelible third-season homage to Federico Fellini. Or “Love Is a Dream,” a fantastic 1987 swoon into a bygone era and lost youth featuring Jan Hooks,