- grade ▁ ▁http :// www . cb c . ca / n ature of th ings / ep is odes / t icked - off - the - m yst ery - of - ly me - d ise ase ▁ ▁http :// www . cb c . ca / n ature of th ings / ep is odes / sur v iving - the - teen age - bra in ▁ ▁http :// www . cb c . ca / n ature of th ings / ep is odes / sm art y - pl ants - unc over ing - the - secret - world - of - plant - be hav iour ▁ ▁https :// www . im db . com / title / tt 2 9 5 7 7 3 2 / ▁ ▁http :// mer it m otion p ictures . com / port folio - items / v ix ens - vir g ins - and - other - my th ological - cre atures / ▁ ▁http :// www . cb c . ca / doc zone / ep is odes / are - we - dig ital - d umm ies ▁ ▁https :// web . archive . org / web / 2 0 1 0 0 3 2 8 0 6 3 3 2 2 / http :// one o cean . cb c . ca / ▁ ▁https :// web . archive . org / web / 2 0 1 0 0