Trading Places
No Chris Left Behind
syrup o Epicac
Chris & Herbert sing "Friends and Lovers" by Carl Anderson and Gloria Loring
Peter Griffin-Father, Husband, Brother
No such episode exists that matches that exact description.The only episodes that come close are the one where he's jealous of Chris' endowment, that's And the Wiener Is & the other is the short fight they get in when Chris stop Peter from bullying, and that was Tan Aquatic of Steve Zissou
Peter gives Chris a bullfrog in the episode 'Long John Peter' (UK Season 8/US Season 7)
no chris left behind
He does it in more than one. In a cutaway in (I'm pretty sure) S08|E05 Hanna BananaHe does it for the episode in S09|E13 Trading Places
No Chris Left Behind
Peter and Chris use American Sign Language in the "Stewie, Chris & Brian's Excellent Adventure" episode of Family Guy. They learn ASL to communicate secretly when they travel to the future together.
The Episode is "Long John Peter" From Season 8
the episode when peter and Louis get Chris and Meg a boyfriend/girlfriend
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There isn't an episode that features Peter and Glen in school together but you may be thinking about Season Five|Episode Eighteen Meet the Quagmires
Peter gives Chris a bullfrog in the episode 'Long John Peter' (UK Season 8/US Season 7)
Chris & Herbert sing "Friends and Lovers" by Carl Anderson and Gloria Loring
Peter Griffin-Father, Husband, Brother