Template:Episode timeline/20th century
<timeline> ImageSize = width:1024 height:100 PlotArea = left:50 right:100 bottom:20 top:10 Legend = columns:2 left:50 top:100 columnwidth:75 AlignBars = early
DateFormat = dd/mm/yyyy Period = from:1945 till:31/12/1950 TimeAxis = orientation:horizontal ScaleMajor = unit:month increment:1 start:01/01/1945 ScaleMinor = grid:white unit:month increment:3 start:01/04/1945
Colors =
id:back value:gray(0.9)
id:season1 value:rgb(1, 0.749, 0.749) legend:Season_1 id:season2 value:rgb(1, 0.875, 0.875) legend:Season_2 id:season3 value:rgb(1, 1, 0.875) legend:Season_3 id:season4 value:rgb(0.749, 1, 0.768) legend:Season_4
BackgroundColors = canvas:back
PlotData =
from:01/01/1947 till:01/01/1948 color:season3 text:Roswell That Ends Well
</timeline>
<timeline> ImageSize = width:1024 height:100 PlotArea = left:50 right:100 bottom:20 top:10 Legend = columns:2 left:50 top:100 columnwidth:75 AlignBars = early
DateFormat = dd/mm/yyyy Period = from:1990 till:31/12/1999 TimeAxis = orientation:horizontal ScaleMajor = unit:year increment:1 start:01/01/1990 ScaleMinor = grid:white unit:month increment:6 start:01/01/1990
Colors =
id:back value:gray(0.9)
id:season1 value:rgb(1, 0.749, 0.749) legend:Season_1 id:season2 value:rgb(1, 0.875, 0.875) legend:Season_2 id:season3 value:rgb(1, 1, 0.875) legend:Season_3 id:season4 value:rgb(0.749, 1, 0.768) legend:Season_4
BackgroundColors = canvas:back
PlotData =
from:31/12/1999 till:31/12/1999 color:season1 text:Space Pilot 3000
</timeline>