If you're looking for anime similar to Dark Side Cat VS, you might like these titles.
Mr. Black is back! After notorious criminal rat, One-Ear escapes, Mr. Black organises a all-points bulletin to capture him. But more trouble is brewing: a mad ape scientist, Dr. Big Ape seeks revenge on those who have wronged him. Now joining forces with One-Ear, they have a diabolical plan up their sleeve: to kidnap the citizens and banish them to space using the "Emerald Star" on opening day. With the help of his fellow officers and a young pig partner, Mr. Black faces his foes in an epic showdown of the "Emerald Star".
The story takes place in a forest, where the Black Cat Detective wanders around on his motorcycle stopping villains. Cases range from clashing with mice and other characters.
Nyagoya City is a trendy town where cats live. In this peaceful town, many of the cats are suddenly disappearing. The NEET cat Takumi must save his father, who is wrapped up in the incident.