Attacks » Rambunctious Party
When using Slowpoke's "Rambunctious Party" attack, can I choose no Basic Pokemon even if some are in the top 5 cards I drew?
Yes, you can choose as many or as few (including zero) as you like.
Source: Undaunted FAQ (2010-09-09), PUI Rules Team (2010-09-09)
Attacks » Rambunctious Party
Can I use Slowpoke's "Rambunctious Party" attack if my Bench is full?
Yes you can perform the attack, but all you get to do is look at the top 5 cards and then shuffle them all back into your deck.
Source: Undaunted FAQ (2010-09-09), PUI Rules Team (2010-09-09)