Watch full The Simpsons Season 29 Episode 10 full HD online. Cartoon video The Simpsons Episode 628 online for free in HD.
The Simpsons go to a STEM conference, where Lisa becomes smitten with an older musician called Brendan. Upon seeing them together, Nelson gets jealous because of his past relationship with Lisa and tries to win her over instead. Meanwhile, Bart discovers his affinity for chemistry.