Explanations of parodies and references in Re:Zero kara Hajimeru Isekai Seikatsu / Re:Zero – Starting Life in Another World Director’s Cut episodes 2, 3, 6, 10, 11, 13
Timestamps are approximate
Episode 2
4:42 Reference to Roronoa Zoro’s line from the manga One Piece about a wound on the back being a sword user’s shame
15:38Natsuki Subaru fighting with the wooden chair against Felt probably took inspiration from fight scenes such as in the film The Young Master
31:28 “Haidara” is from the game Anubis: Zone of the Enders / Zone of the Enders: The 2nd Runner
Episode 3
0:05 The “shiranai tenjou” (“unknown ceiling”) is a reference to a scene in the anime Shinseiki Evangelion / Neon Genesis Evangelion
13:53 “Barusu“, the “spell for blinding eyes” is a reference to the anime film Tenkuu no Shiro Rapyuta / Laputa: Castle in the Sky
Episode 6
17:54Newtype detection ability from the anime Kidou Senshi Gundam / Mobile Suit Gundam
Episode 10
10:26 “Hitokari ikouze” is the line said in the commercial for the game Monster Hunter Portable 2nd G
Episode 11
31:36The “Sunrise tachi” (“Sunrise stand”)
Episode 13
15:13 “hyahhaa” shout from the manga Hokuto no Ken / Fist of the North Star
Natsuki Subaru fighting with the wooden chair against Felt probably took inspiration from fight scenes such as in the film The Young Master
Newtype detection ability from the anime Kidou Senshi Gundam / Mobile Suit Gundam 
The “Sunrise tachi” (“Sunrise stand”)
