The current Coffee Break Spanish episodes 54 to 56 cover the simple past – pretérito. Feels about the right time to introduce these grammar points. I liked how Mark and Kara (the hosts of the podcast) were teaching them, it felt effortless. It was engaging and with lots of repetition, but in the end I feel it stuck.

This day I had quite a bit of walking to do so got in 3 episodes of Coffee Break Spanish. Here is the breakdown:
4   Duolingo
68 Coffee Break Spanish episodes 54-56
31 Memrise

For total of 103 minutes.