What are the adverbs in the following sentences?Cinnamon always watches Sesame Street.Sometimes Cinnamon makes little squealing noises.

An adverb is a word that modifies, or tells something about, a verb. 

In the sentence "Cinnamon always watches 'Sesame Street'", the adverb is "always".  The word "always" modifies the verb "watches"; it qualifies the verb, telling how often or to what extent Cinnamon watches the show.

In the sentence "Sometimes Cinnamon makes little squealing noises", the adverb is "sometimes".  The word "sometimes" modifies the verb "makes", again qualifying the verb, telling how often Cinnamon makes little squealing noises.