Undertale is a bit overrated to me, at least when compared to LISA since the latter had me more invested in what was happening and what would happen next. That and Undertale's large popularity pretty much dampened any intrigue I had on uncovering the mysteries of it's story.
I haven't watched it, but it seems fine from afar. I'll give it props though that it took an extra step in the designs, given the originals were restricted to the same body type due to toy line recognition.
Jimmy Neutron and Chalk Zone was my go-to shows outside of the usual Spongebob and Fairly Odd Parents run on Nick.
For CN it was KND, Billy & Mandy, Fosters, and Chowder.
I watched Child's Play back when I was around 8 to 10 years old. That burnt-up Chucky doll playing a kid's voice line near the end is still etched into my mind.