This article corrects: Diels–Alder and Retro-Diels–Alder Cycloadditions of (1,2,3,4,5-Pentamethyl)cyclopentadiene to La@C2v-C82: Regioselectivity and Product Stability, Chemistry - A European Journal, 2013, vol. 19, núm. 14, p. 4468 – 4479. In Table 4 of this Full Paper, some values were printed incorrectly. The correct version of this table is reproduced in this paper ; The following organizations are thanked for financial support: the Ministerio de Ciencia e Innovaci n (MICINN, project numbers CTQ2011-23156/BQU and CTQ2011-25086/BQU), the Generalitat de Catalunya (project numbers 2009SGR637 and 2009SGR528 and Xarxa de Refer ncia en Qu mica Te rica i Computacional), and the FEDER fund (European Fund for Regional Development, grant number UNGI08-4E-003). M.G.-B. thanks the Spanish MEC for a doctoral fellowship (number AP2010-2517)