Eek, An Urchin! / Squid's Defense

Eek, An Urchin! / Squid's Defense

Available on Prime Video, Paramount+
S9 E5: SpongeBob finds a nasty sea urchin living in the Krusty Krab in 'Eek, An Urchin!', and then in 'Squid's Defense', Squidward convinces SpongeBob and Sandy to teach him karate.