What's the Last Anime Episode You Watched?

Ansatsu kyoushitsu episode 25

Konnichiwa Anne ep. 1-2.

Flying Witch ep. 11-12 (final) 
Kiznaiver ep. 12 (final)  
Nijiro Days ep. 24 (final)
Koutetsujou no Kabaneri ep. 12 (final) 
Ansatsu Kyoushitsu S2 ep. 25 (final)          
Sakamoto, desu ga? ep. 12 (final) 
Kyoukai no Rinne S2 ep. 13 
ReLife ep. 1 
Shokugeki no Souma: Ni no Sara ep. 1 
Hatsukoi Monster ep. 1 
B-PROJECT ~Kodou*Ambitious~ ep. 1
Arslan Senki: Fuujin Ranbu ep. 1 
Tales of Zestiria The X ep. 0 (Prologue)
Orange ep. 1

Arslan Senki OVA

Taboo Tattoo ep. 1

Oh man... Since avatar doesn't count (technically it's a cartoon), the second to last episode of One Punch Man. It's been a few months since then, whoops~

Sailor Moon Crystal Season 3 ep. 39