Nickelodeon Preschool Block

==Nick Jr. (first era)==
===1988–2009===
The Nick Jr. block premiered on Nickelodeon in 1988. The block continues to this day, but from 2009 to 2014 (and again since 2023), its name was only infrequently used to avoid confusion with the Nick Jr. Channel that launched in 2009.
==Nickelodeon's Play Date==
===February–September 2009===
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==Nick's Play Date/Play Date==
===2009–2012===
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Play Date logo 2009 (Flower).png
==Weekday Mornings on Nick: The Smart Place To Play==
===2012–2014===
==Nick Jr. (second era)==
===2014–2023===
==Nickelodeon Preschool Block==
===2023–present===
Category:Nickelodeon
Category:Nick Jr.
Category:Paramount Media Networks
Category:Paramount Global
Category:Programming blocks on Nickelodeon
Category:Television programming blocks
Category:Children's television blocks
Category:1980s
Category:1988