Sentences

Can anyone help me on the following sentences, are theses grammatically correct? Thanks in advance.

1. This series features viral clips, sketches, and "Web Redemptions" which give subjects of infamous viral videos a second chance to redeem themselves from the embarrassment with which they've become synonymous.
2. Nothing can control/alt/delete Daniel Tosh as he powers up for a fourth season of internet freaks, viral video embarrassments and valiant attempts at web redemption.
3. Tosh.0 is an American television series hosted and produced by comedian Daniel Tosh, who provides commentary on online viral video clips, society, celebrities & other parts of popular stereotypes.
4. With razor-sharp wit and biting commentary, comedian Daniel Tosh delves into all aspects of the internet, from the absolutely absurd to the incredibly ingenious. From tearing up the latest viral video sensation to giving the internet's most infamous celebrities a shot at redemption, Tosh.0 gives web junkies everywhere a reason to stop watching TV on the internet and start watching the internet on TV.