Simplify the following text for a Grade 9 native English-speaking person.
Original: It is a spin-off film of the 2002 animated feature film Lilo & Stitch and the conclusion to the television series Lilo & Stitch : The Series and the franchise as well .
Simplified: It is a spin-off Disney channel movie of the 2002 animated movie Lilo & Stitch and the end of the television series Lilo & Stitch : The Series .