Catalyst - Seasons
Season 1
2014
•
26 episodes
Series 15
2014
•
22 episodes
Series 16
2015
•
20 episodes
Series 17
2016
•
40 episodes
Series 18
2017
•
17 episodes
Series 19
2018
•
8 episodes
Series 20
2019
•
8 episodes
Series 21
2020
•
6 episodes
Series 22
2021
•
11 episodes
Series 23
2022
•
6 episodes