Burpin' Babies / Backpack Payback

S2 E6: Burpin' Babies: Kent’s youth serum works a little too well and turns the gang into screaming babies. The serum soon wears off – sort of – now they’re adults trapped in baby bodies and Von Bolt doesn’t know whether to obey or burp them. / Backpack Payback: When the Anti-Matters steal JD’s backpack and discover the portable ALVA, the Edison Lab Kids must concoct a plan to retrieve the backpack before the AMs locate the Secret Lab.