21 Jump Street - Season 4 is a top class production made in 1989. Until now 21 Jump Street - Season 4 is the best online tv show I've seen this year. Before you read this review and before I spoil you the story, watch the tv show, I highly recommend it. It is really hard not to smile while watching 21 Jump Street - Season 4. Stephen J. Cannell's tv shows play on emotions and are able to move a more sensitive viewer. Fu*k torrents, you can watch the full tv show online here on.