Episodes airing at the same time for the same show don't display in a logical order on countdown.

@LouisWu wrote:
Example: Starfleet Academy premieres with 2 episodes. TVmaze countdown shows 1x02 before 1x01.

@david 

It behaves quite unpredictably. SF Academy was showing episodes correctly the last few days.
But now 3 Phineas and Ferb episodes are in reverse order.