Dexter's Laboratory (Seasons 1–4)

Dexter's Laboratory (1996) is the Cartoon Network animated series you can watch online on iFILM. A boy genius hides a vast secret lab behind his bookshelf and runs wild experiments while his clueless parents never suspect a thing.

The biggest threat to Dexter isn't a supervillain. It's his own big sister. Dee Dee twirls into the lab, mashes every button in sight, and reduces a brilliant experiment to rubble in seconds. Dexter fumes in his thick accent and builds the next gadget anyway. Add Mandark, the nerdy neighbor and bitter rival who wants to out-invent him at every turn, and most episodes turn into short, absurd chaos that detonates like a test tube.

The show was created by animator Genndy Tartakovsky, who later made Samurai Jack and Star Wars: Clone Wars. Its sharp angular style, musical interludes and frantic pace made it a defining piece of Cartoon Network's golden era. Stream every season of Dexter's Laboratory (1996) online on iFILM.