Where can I watch “Cardcaptor Sakura” Season 4 Episode 21 online?

This page provides episode info and a legal-only guide. It does not host streams or downloads. Check official platforms and licensed services for availability in your region (US first).

Do I need to watch earlier episodes before “Sakura, the Mirror, and the Key of Memories”?

Watching earlier episodes in season 4 helps you follow the plot and character arcs leading into this episode.

Watch Cardcaptor Sakura Season 4 Episode 21 Online

“Sakura, the Mirror, and the Key of Memories” — Watch "Cardcaptor Sakura" Season 4 Episode 21 online in HD for free. Check streaming providers, cast, and episode details.

Jun 3, 2018 Season 4 Episode 21 25 min G

7.0 ★ ★ ★ ★ ★

1 votes

Cardcaptor Sakura Season 4

← Back TV Series

Where can I watch "Sakura, the Mirror, and the Key of Memories" online?

You can watch it through the button below, and it is free.

▶ Watch This Episode Now

Season 4 Episode 21 — Aired on Jun 3, 2018 • runs about 25 minutes.

Directed by Hideki Hosokawa.

Written by Nanase Okawa.

Notable cast/guest names in this episode include Sakura Tange, Junko Iwao, Motoko Kumai, Aya Hisakawa.

This page includes 2 official still(s) (when available) plus legal availability links.

Looking for “watch Cardcaptor Sakura Season 4 Episode 21 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

Cerberus and Yue meet with Eriol via magic to discuss Sakura's new cards. Eriol has found out that Kaito took something from the magic association he once belonged to, but at that moment, Kaito's magic severs the trio's communication link.