Crayon Shin-chan
Crayon Shin-chan has been one of Japan's most popular animes for years. The series has gotten over 20 movie adaptations since its inception. It's a more playful approach to anime unlike the acclaimed Studio Ghibli films.
Doctor Who
The series Doctor Who kicked off in the 1960s and has been on air through BBC ever since. It has had a revolving door of cast members, replacing the lead every few seasons. The movie spin-offs are called Dr. Who and the Daleks and Daleks - Invasion Earth 2150 AD.