Sam & Mark's Big Friday Wind-UpSeries 4Episode 3CBBCFirst broadcast: Fri 30th Jan 2015, 18:00 on CBBC ChannelLatest broadcast: Sat 31st Jan 2015, 09:35 on CBBC HDSam Nixon and Mark Rhodes get the weekend party started with special guests Rough Copy, and Cel Spellman surprises his number one fan. Show more ContributorsPresenter:Sam NixonPresenter:Mark RhodesSeries Producer:David BeardsellDirector:Tony Grech-SmithParticipant:Andrew WhymentParticipant:Sam AstonGenresChildren'sEntertainment & ComedyBrandSam & Mark's Big Friday Wind-UpSeriesSam & Mark's Big Friday Wind-Up: Series 4 Source: BBC Online